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Main Characters

Ben Tennyson/Ben 10

https://static.tvtropes.org/pmwiki/pub/images/ben_tennyson_2016.png

Voiced in English by: Tara Strong ^{Other Languages}

Adaptation Relationship Overhaul: In the Original Series he and Gwen were Vitriolic Best Buds at best, and would constantly tease, make fun of and hit each other. Here they are on much friendlier terms, rarely argue (and never to the same extent) and are a lot more affectionate.
Admiring the Abomination: He keeps on calling Bashmouth cool in "Introducing Kevin 11" even while the alien was beating him up.
Affectionate Gesture to the Head: Does this to Gwen in "Chicken Nuggets of Wisdom": it was half sincere, half sarcastic and all adorable.
All Your Powers Combined:
- In the last episode of the first season, he uses Upgrade on the Omnitrix, unlocking Master Control to fight Vilgax.
- Not quite "all", but in the last part of "Innervasion" he transforms into an amalgam of Four Arms, XLR8, Diamondhead and Heatblast.
Alternate Self: "Alien X-Tinction" has him meet four alternate versions of himself, each based on the previous four shows and having the same personality Ben had during those shows. As a result, Ultimate Alien Ben is more cocky due to being famous unlike the younger Alien Force Ben while Original Series Ben is pretty similar to Reboot Ben due to being the same age. Alien X also turns out to be an evil alternate universe version of Ben.
Arbitrary Skepticism:
- Despite meeting aliens, sorcerers, monsters and mutants every other day he can't take the idea of the Forgeti being real seriously.
- Taken even further during "The Monsters in Your Head". Ben outright states aliens don't exist. Gwen immediately shuts him down by turning him into Four Arms, after which Ben makes a large list of exceptions (including his and Kevin's aliens, Override, Vilgax and the Bounty Hunters).
Boss's Unfavorite Employee:
- Inverted. Ben subjects everyone to this during Roundabout. Because Forever Knight only really needed him and the other Squires were additional members he encountered while tracking Ben, he's the only one Forever Knight needs for the mission. Needless to say, Kevin, Billy and Charmcaster caught the Green-Eyed Monster.
- Forever Knight's speech makes it clear he only valued Ben during the last part of their fight, along with having spent the entire season trying to make him switch sides. Ben seems aware of this and boasts for a bit while unaware of his real plan.
  Ben: "Guys, guys. This guy clearly knows what he's doing, he made the right choice."
Character Development: In Season 2. After his meeting with Vilgax in season 1, he starts acting more maturely with the Omnitrix, as well as doubting himself if he really deserves it.
Confusion Fu: In "Omni-tricked: Part 4": at first it was due to a malfunction in the Omnitrix, causing him to switch randomly from alien to alien against his will. Later, he used Upgrade on the Omnitrix to unlock Master Control. It was the only thing that gave him a fighting chance against Vilgax, who already easily defeated Ben in the previous episode.
Grey Matter: "Prepare yourself, brute, for even I do not know my next attack!"
Defeating the Undefeatable:
- Downplayed: both the first two season's finales have him stopping some of the most feared creatures of the universe, but in both cases, he needed help from others and some kind of All Your Powers Combined. Plus he didn't technically defeat them, more like stopped them from getting what they wanted.
- This goes further in season 3, as he still didn't defeat Forever Knight (or at least, in a way where Forever Knight wasn't pulling the strings) and only managed to restrain him before Kevin kept him from capturing Ben and Gwen inside the timestream.
Does Not Like Spam: He hates pancakes, in contrast to Gwen.
Genre Savvy: He immediately guessed what Morningstar was as soon as he showed his true colors.
Michael: "You have no idea who you're dealing with!"
Ben: "Top of my head? You're some kind of energy vampire that feeds off the worship of his fans. Aaand, a dork?"
Michael: (beat) "Wow, spot on."
Ben: "Well, when you've been in a game as long as I have..."
I Just Want to Be Normal: He usually loves the Omnitrix, but in "Omni-Tricked" he lamented the fact that due to the device malfunctioning and making him jump from alien to alien, he couldn't eat, sleep and was facing the real danger to never turn back to human.
XLR8: I wish I never found this stupid watch! (switches to Four Arms) I can't eat! (switches to Upgrade) I can't sleep. (switches to Stinkfly) I can't even be me anymore!
- Downplayed in Season 2, where he starts realizing the danger of possessing the Omnitrix for him and his family and the fact he might not be the right person to have it.
The Knights Who Say "Squee!": He is a big fan of Captain Betts McCabe, who was apparently the first person to play chicken with an asteroid and win.
Real Men Wear Pink: "The Ring Leader" shows he can sew. "My Bodyguard" also reveals he has some impressive cooking skills even he ignored.
Secret Identity:
- Completely averted: he freely transforms in front of others and has never been recognized by bystanders. Nobody really makes a big deal of it.
- Forget bystanders… he and Gwen made a series of videos with him turning in his aliens, with every intention to show them to other people.
Super Mode: Unlocking Shock Rock gave him the ability to enhance his other aliens for a season.
Supreme Chef: As it turns out, in sheer contrast to the original Grandpa Max rather than Ben himself, this Ben is an incredibly good cook, making cakes and delicious meals with various ingredients.
Toon Physics: He gained those powers briefly in the episode "Xingo!" after the titular character escaped in the real world due to a combination of Upgrade and lightning. Good thing too, as they were the only things allowing him to fight Xin go.
Unwitting Instigator of Doom: By unlocking Shock Rock and using him to power up his other aliens he allowed the Fulmini Empire to start the invasion of Earth.
Vocal Evolution: His voice sounds a bit higher in the 2016 series, than it did in the original series.
Why Did It Have to Be Snakes?: In this version, he is not afraid of clowns, but squids (more specifically, their tentacles).
Wrong Genre Savvy: In "Creature Feature": since they were fighting a movie monster Hex brought to life who devoured light, he decided to feed him more light, citing several movies where the monsters overfed themselves and exploded. The creature only becomes more powerful, forcing him to ask Hex how to stop it.

Gwen Tennyson

https://static.tvtropes.org/pmwiki/pub/images/reboot_gwen.png

Reboot (2016)

Voiced by: Montse Hernandez

The Ace: Averted, with her being less prone to immediately succeed when trying new things compared to her previous incarnation; when she was stuck in Ben's body, she couldn't use the aliens well without his coaching.
Action Survivor: She attacked Vilgax with a fire extinguisher and lived to tell the tale.
Adaptational Nice Guy: While still more mature than Ben, she is much less sarcastic and patronizing towards him, with the two now behaving like close friends and openly enjoying each other's company. This is in stark difference to the regular fighting and snark that formed their dynamic as children in the classic continuity.
Adaptational Wimp: While she's still incredibly athletic and takes part in the action, she never gains superpowers of any kind by the end of the show's run, unlike in the classic continuity where she became a prolific magic user. This goes on to become a source of insecurity, as she occasionally wonders how much she's actually contributing to any given adventure.
All Love Is Unrequited: She has a big crush on Ryan, Simon's older brother. Not only he is clearly not interested, but she can barely make him realize she exist.
- She ironically subjects Kevin to this, showing no sign of reciprocating his crush on her.
Animal Motifs: Cats. The reboot completely runs with Gwen's cat motif from the previous timeline: she attends a cat-centric convention at one point, enters a game show while dressed as a cat (an outfit she uses again from time-to-time), loves cat-themed paraphernalia, and even ends up with a cat-themed set of Powered Armor in the season three finale.
Arch-Enemy: To Charmcaster after "The Charm Offensive" despite not having magical powers. Gwen is both thrilled and scared about it.
Big Damn Heroes: Attacking Vilgax just as he was about to finish Ben surely qualifies.
Big Eater: In "Assault on Pancake Palace", she won a pancake eating contest against several adults.
Cat Girl: In "Rath of Con", she cosplays as one while at a con dedicated to them.
Cheated Angle: Wherever the back of her hair points to depends on the direction she is facing.
Cool Big Sis: In spite of being only 7 seconds older than her cousin, she serves this role to Ben in many occasions.
Cute Monster Girl: As Stinkfly in "Innervasion".
Decomposite Character: An odd example. In the classic series, Lucky Girl was an alias she created to fight crime. Here, it's a magical girl series that she's is a huge fan of.
Didn't Think This Through: One episode has Gwen advising Ben to use Heatblast in an underwater fight. Subverted as she wasn't counting on the monsters grabbing Heatblast and bringing him to the water.
Does Not Like Spam: In contrast with Ben, she doesn't like waffles, preferring pancakes instead. An earlier episode has her wonder if a hotel has a waffle maker, suggesting she does like them, but not as much as Ben.
I Just Want to Be Special: In "The Charm Offensive", she laments the fact that while Ben can transform into super-powerful aliens, she is just normal.
No-Sell: After the first time, she learns to resist Morningstar's energy draining.
Not So Above It All: She is much more prone to join Ben on his shenanigans in this version, while still posing as his voice of reason.
Oblivious to Love: She is totally clueless about Kevin's Precocious Crush on her. Even Ben notices and repeatedly talks about it, but she dismisses it as one of his bad jokes.
Oh, Crap!: She is initially enthusiastic about having Charmcaster as an Arch-Enemy… until she realizes she (Gwen) has no powers of her own.
Only Sane Woman: Not as much as the old version, but she still got a lot of advice to give Ben.
Spanner in the Works: In "The 11th Alien": Vilgax would have obtained the Omnitrix from Ben, had she not discovered the natural disasters were caused not by Shock Rock, but the Weatherheads.
Took a Level in Badass: In "Innervasion", when she uses the Omnitrix to transform into Stinkfly and fight the High Override.
What Would X Do?: She had Max put a laser cannon on their boxcar and use it to fight the Fulmini and enter the Omnitrix because it seemed like "The Ben thing to do".

Max Tennyson

Voiced by: David Kaye

Adaptation Origin Connection: Inverted: In the Original Series he fought Vilgax long before Ben was even born. In this series, he was as surprised as everyone else of his existence.
Adaptational Comic Relief: He acts a lot more silly than he used to be.
Adaptational Wimp: If he was a Plumber in this version, he hasn't kept his skills in good shape. In fact, especially in Season 1, often he was simply not present for the action. Alien-X-Tinction hints that he was indeed a Plumber, but he's keeping that information from his grandchildren for unknown reasons.
Forced Transformation: He was transformed into a chicken by Animo in "Chicken Nuggets of Wisdom".
Doting Parent: His fighting skill went way down in this version. His love for his grandkids didn't.
Lethal Chef: Averted. In this version, Max doesn't have the… unique taste he is usually associated with and has shown himself to look pretty good-looking food, even being confused at Ben and Gwen competing over eating the weirdest meal out of a cooking festival. He has no problem with eating burned hot dogs, however.
Manchild: He can get excited about the things he enjoys as much as his grandchildren, sometimes even acting as a young kid. Lampshaded:
Gwen: [groans] "Is this what we're like when we drag him to the amusement park?"
Ben: "We probably shouldn't ask questions we don't want answers to."
- Incredibly Lame Fun: Some of the things he enjoys include bird-watching, a ride for little kids at a park, and being in the "four corners", the place where the borders of four states meet. Not only Ben, but even Gwen (herself an example of this trope) finds most of his choices boring.
Gwen: "Sigh... I remember fun…"
Not So Above It All: In "Bounty Ball" he asked Ben to use one of his aliens to end the train tour quickly, as only Gwen was finding it exciting.
Obfuscating Stupidity: He got past a firewall Gwen was struggling with by pretending to hit random keys.
Out of Focus: Since the series is more about Ben and Gwen, there isn't a lot of space for him. Downplayed in season two.
Took a Level in Badass: In "Innervasion" : he threatened Vilgax with a laser cannon, fought the Fulmini, and even transformed into Cannonbolt.
Why Did It Have to Be Snakes?: He is afraid of goats, due to an accident when he was young.

The Omnitrix

The Ace: A variation. All of the alien forms present in the Omnitrix are actually the optimal genetic specimen of their species (at least, at Ben’s age or an equivalent one). Basically, they're to their species as Captain America is to humanity (peak and perfect physical condition).
Bigger on the Inside: The climax of the Innervasion arc depicts the inside of the Omnitrix as an expansive facility where the genome of each species is stored within capsules. The villains of the arc plotted to open a wormhole from their world inside the Omnitrix to invade the Earth through it. Ben, Max and Gwen all end up inside and have to fend off an army.
Chest Insignia: The Omnitrix's symbol will appear somewhere on the body of every alien it transforms its wearer into.
Clingy MacGuffin: The thing is stuck on Ben's wrist. This prevents villains from simply taking it from him.
Discard and Draw:
- Since Ben can only use one transformation at a time, his set of powers will change according to which form he is using.
- As the Omnitrix houses far more potential alien forms than any one user could hope to sort through on the fly, it generally operates in sets of ten randomly selected (though generally balanced) forms. Others in its database can be unlocked later, but it will default to another set of ten if left inactive for too long, requiring older forms to be re-unlocked.
Emerald Power: The Omnitrix's signature color is green, which also happens to be the favorite color of both Azmuth and Ben.
Evil Knockoff: Kevin has the Antitrix, which he built based off a dream. It allowed him to transform into mutant hybrid versions of Ben's base forms that were generally stronger. It was later revealed to have been designed and sent to Kevin by Vilgax, with the intent to take it back and hybridize himself with a Celestialsapien.
- Fusion Dance: In the episode "The Innervasion" Ben due to being inside the Omnitrix was able to merge the DNA of Four Arms, XLR8, Diamondhead, and Heatblast in a single super-powerful alien, with the combined powers of the four and no negative drawback.
Half-Human Hybrid: The reboot Omnitrix turns Ben into one of these with whatever alien he chooses, according to Word of God.
Hour of Power: It can only sustain transformation for around fifteen minutes at a time without Master Control. After that, it requires a brief period to seemingly recharge before it can be used again. The exact length of time limit for transformation and recharges can vary wildly depending on the needs of the plot.
How Do I Shot Web?: The Omnitrix offers no tutorial about the alien forms within it, forcing a user to figure out out their new bodies and powers each time they unlock a new one. Even an experienced user like Ben can stumble onto powers in familiar forms that he had no idea existed before.
Loyal Phlebotinum: Well, it can work on someone else technically, but once it has chosen a host, removing it is a difficult prospect at best (without intricate knowledge of its operation, anyway).
Meaningful Name: The Omnitrix translates to "All Base or Form".
The Mind Is a Plaything of the Body: Certain forms change Ben's personality as well, such as Grey Matter making him smarter, or him becoming a Boisterous Bruiser as Rath.
Multiform Balance: With over 1,000,000 alien forms with varying powers, the Omnitrix can allow its wearer to adapt to any situation imaginable. In theory, anyway. In practice, actually getting what you need from the Omnitrix in a given situation is far from a guarantee.
Mundane Utility: Whenever he's not fighting bad guys, Ben frequently likes to use the Omnitrix to turn into various aliens to play pranks, or otherwise make a difficult task for a human slightly more convenient. It helps that the Omnitrix itself was supposed to originally be a device used to encourage peace and communication between other species, so Ben using it for fun isn't exactly the wrong thing to do.
Super Wrist-Gadget: It looks like a techno wristwatch.
Universal Translator: Has one built-in.
Voluntary Shapeshifting: This is the power it grants Ben, and the forms available for shifting can escalate upwards forever.
Younger Than They Look: Ben's transformations, despite mostly having the height and build of grown adults, are the same age as him or at least an equivalent for that species.

Omnitrix Aliens

Used by Ben

Cannonbolt

Cannonbolt (RE-01)

Voiced by: Travis Willingham

Boring, but Practical: On paper, Cannonbolt's abilities seem pretty unimpressive, only amounting to curling up into a ball to roll and/or bounce around the area he's in. In practice however, this actually makes Cannonbolt one of Ben's toughest aliens, as his incredible speed allows him to chase after enemies with ease, and his tough exterior lets him smack around opponents and even survive re-entering Earth's atmosphere from space.
Cephalothorax: His face is on what would be his torso and his shoulders are seemingly above his eyes. This odd physiology is likely what enables him to curl up into a ball.
Depending on the Artist: How Cannonbolt rolls up and out of his ball form shifts depending on the episode and season.
Lightning Bruiser: Once Ben masters Cannonbolt, the result is a Hyper-Destructive Bouncing Ball that pinballs at top speed and happens to be just as durable as Ben's other big aliens.
Rolling Attack: His main thing is rolling around.
Spectacular Spinning: Though it's a forward thrust thing, not just in place like a top.

Diamondhead

Diamondhead (RE-04)

Voiced by: Roger Craig Smith

Achilles' Heel: Sound waves is the best thing to damage Petrosapiens meaningfully.
Attack Reflector: Thanks to his crystalline body, Diamondhead can reflect energy attacks away like a prism.
Blade Below the Shoulder: Not naturally, but he can shape his hands into ones.
Crystalline Creature: Petrosapiens are aliens made out of an organic green crystalline material. As Diamondhead, Ben can manipulate the atomic structure of his physiology at will, allowing him to form his limbs into diamond weapons such as blades and bludgeons, fire crystal shards from his body and create constructs out of crystals.
Crystal Prison: He can encase people and objects in crystal, effectively freezing them.
Gemstone Assault: Shooting crystal shards is his signature ability.
Healing Factor: His ability to shape himself gives him a limited self-healing ability. If too much of his body is shattered, however, it won't work.
Mighty Glacier: Though not as strong or fast as Four Arms, Diamondhead compensates with projectiles, immensely higher durability and pseudo-Healing Factor.
Nigh-Invulnerability: He is made of diamond-hard crystal, and even if you succeed in damaging him, he can regenerate. The only thing that has been shown to damage him permanently is sonic attacks.
Shapeshifter Weapon: He has entire control over his physiology, allowing him to shapeshift his arms into blades, project crystal shards, and many other uses.

Four Arms

Four Arms (RE-02)

Voiced by: John DiMaggio

The Big Guy: The biggest of Ben's aliens for most of the series, and the one used primarily for tasks requiring strength.
Destructive Savior: He's got super strength, but he's a bit clumsy from time to time.
Dishing Out Dirt: Video games give him the ability to control the earth to a limited extent, most commonly pulling a boulder out of the ground and throwing it.
In a Single Bound: His Super-Strength allows him to jump several stories high with little effort.
Humanoid Aliens: Aside from having four arms and eyes, Tetramands are anatomically very similar to humans.
Lightning Bruiser: While not the fastest of aliens, he's still speedy, super-strong, and has the ability to jump over skyscrapers. When compared to Humungousaur, Ben's other oft used heavy-hitter, Four Arms is significantly faster and more nimble.
Multi-Armed and Dangerous: As his name implies, he's got four arms, and he's one of Ben's strongest aliens in terms of sheer brute force.
Punny Name: Forearms = Four Arms = 4 arms
Red Is Heroic: He has red skin, and is one of Ben's most used and iconic aliens.
Shockwave Clap: By slapping all four hands together he can generate a sonic shockwave.
Super-Strength: His main power.

Gax

Gax (RE-37)

https://static.tvtropes.org/pmwiki/pub/images/gax_0.png

Voiced by: Yuri Lowenthal

Gax is the first new alien form of the reboot series seen that was not displayed before in any of the shows. Gax is the Omnitrix's DNA sample of a Chimera Sui Generis from the planet Vilgaxia. Yes, as in Vilgax's species.

Awesome, but Impractical: Ben's lack of restraint causes tons of collateral damage with both his Super-Strength and Eye Beams.
Casting Gag: It's hard to overlook the irony that Gax is played by Ben Tennyson himself, specifically teenage Ben from the classic continuity. Moreso given that Gax is Vilgax's other half and is returned to its original owner.
Combat Tentacles: His arms can unravel into multiple tentacles.
Cthulhumanoid: His appearance as a Chimera Sui Generis.
Drunk with Power: Gax becomes an instant hit with Ben as soon as he sees how powerful he is. Given how Ben has historically favored Four Arms and Humungousaur, it's not a huge surprise.
Expy: An overpowered alien with Combat Tentacles that Ben falls in love with, but it gets destroyed from the Omnitrix? Almost reminds you of Feedback.
Eye Beams: Has powerful eye beams that can ignite and outright vaporize objects and easily carve stones.
Knight of Cerebus: His appearance in the series marks it taking a more dramatic turn.
Mythology Gag:
- His whole existence is one of when Ben got Blitzwolfer for the first time; he remarks how he should've let Vilgax touch the Omnitrix to obtain his DNA. Several years later (and in a new continuity), he finally can transform into a Chimera Sui Generis.^note
- When the Omnitrix changes Ben into Gax in midair, Ben wonders if Gax can fly. In Alien Force, Vilgax could fly due to absorbing the power of heroes from the planets he conquered. It was also implicitly where he gained Eye Beams, but Gax possesses it naturally.
- Gax is also heavily based on Vilgax's original appearance before he got cybernetics, including his original coloration for his skin, head tube, and mace ball shoulder pads.
Never the Selves Shall Meet: Non-Time Travel example: When "Vil" touches the Omnitrix on Gax, it literally sucks the form off of Ben and Vil returns to his full glory as Vilgax.
Red Eyes, Take Warning: Notable that, unlike other Omnitrix aliens, he does not have Ben's green eyes.^note
Sealed Evil in a Can: Half of Vilgax is sealed within the Omnitrix, although Gax himself isn't evil.
Spikes of Villainy: Although he himself is not evil, just his genetic source.
Superpowered Evil Side: Downplayed; apparently aware enough to give Ben his name. Even though Ben has a notable Power High using him he's just more reckless with him, not outright evil.
Super-Strength: Manages to crack a mountain.
Super-Toughness: Appears to be as durable as Vilgax was in previous incarnations. He also has no difficulty fighting one of Animo's mutants on an active lava flow.

Goop

Goop (RE-167-172)

Voiced by: Dee Bradley Baker

Blob Monster: He is made of a slimy, liquid substance that requires a UFO-shaped anti-gravity device to move and keep himself together. As a result, he can alter his shape and fly as long as the device isn't damaged or shut down.
Confusion Fu: His lack of anatomy means he could throw a punch from any part of his body if he so chose.
Covered in Gunge: Not him, but others when he takes a hit.
Goo It Up: This is his primary powerset, as part of being a Blob Monster.
Lightworlder: Polymorphs' homeplanet has much lighter gravity than Earth. This is the reason Goop needs the anti-gravity device to move.
Nigh-Invulnerability: By way of being made of fluids. (See Blob Monster)
Voluntary Shapeshifting: To a point. He can flow through any opening his little saucer can get through.
Weaksauce Weakness: Take away his saucer, and he's immobilized.

Grey Matter

Grey Matter (RE-03)

Voiced by: Todd Haberkorn

Adaptational Badass: In the reboot. He isn't any stronger physically, but he has Awesomeness by Analysis like Brainstorm.
- And then there is the Omni-Enhanced form...
Dr. Brainpart: "Grey Matter" is the main component of several organs of the central nervous system, including the brain.
Gadgeteer Genius: Even at 10 years old, Grey Matter possesses enough intelligence to work advanced machines and build highly advanced weapons.
Heart Is an Awesome Power: Grey Matter's size makes him a fitting alien to escape bigger predators or hide, and his high intellect doesn't seem useless any more when you can use him to build advanced gadgets and weapons out of scraps.
Incredible Shrinking Man: Ben goes from whatever size he normally is, to about 6 inches tall. invoked
Mini-Mecha: His Omni-Enhanced form in the reboot puts him in one, adding (as he puts it) some brawns to his brains.
Shorter Means Smarter: The smallest alien shown in the series, and the smartest alien Ben has.
The Smart Guy: His main (and only) power is intelligence. As he has little to no physical ability (save for sharp teeth) he relies on his intellect to outsmart his enemies.
Super-Intelligence: Grey Matter is smart enough to operate complex technology on instinct, and build high-tech weapons from scraps.
Technobabble: Often speaks like this when he's analyzing alien tech. Even Ben admits he doesn't understand what it means.
Wall Crawl: The mucus his skin secretes allows him to adhere to surfaces to climb them.
Weak, but Skilled: His tiny size makes him the weakest alien on the watch physically, but it also gives him far more maneuverability and lets him fully utilize the enhanced intelligence of a Galvan to overcome large enemies.

Heatblast

Heatblast (RE-01)

Voiced by: Daryl Sabara

Convection, Schmonvection: This alien is from, and is in essence, a walking talking sun. Nobody is harmed or complains about the heat from being in close proximity to him. He can even pick things up without burning them, and literally going supernova in one episode does nothing but evaporate the Fountain of Youth. This most likely doubles as Hollywood Fire. The true severity of Heatblast's powers might not be all that appropriate to show in a family-friendly franchise, so it had to be toned down a bit.
Elemental Absorption: He can absorb fire.
Elemental Punch: He can wreath his hands in fire to increase the intensity of his punches.
Flying Firepower: In later episodes, Ben learned to use his fire abilities to propel himself in the air and fly. His Omni-Enhanced form has a jet pack.
Jack of All Stats: Fast, strong and durable (though not in the levels of the other aliens). Add in pyrokinesis and you have one tough customer.
Living Lava: His body is composed entirely of plasma and volcanic rocks.
Playing with Fire: He can produce fire, absorb it and wreathe parts of his body in it.
The Power of the Sun: What with Pyronites being born on stars and all.
Shout-Out: When his head goes out, his face looks like Iron Man.
Super-Speed: In the reboot, his Omni-Enhanced form can fly faster than XLR8 can run, as shown in "High Stress Express".
Swiss-Army Superpower: Besides the standard Super-Strength and Super-Toughness, Heatblast's sole power is control over fire. He can use this power to blast enemies, absorb heat, melt objects, fly, and enhance his punches.
Weaksauce Weakness: Subverted. Just pouring or spraying water on him isn't gonna kill him. Ironically, he can survive just fine and even use his powers underwater, albeit weaker than on land.

Humungousaur

Humungousaur (RE-82)

Voiced by: David Kaye

Adaptational Wimp: Humungousaur cannot change his size in the reboot.
Appropriated Appellation: In the reboot series, he is given his name by a little girl bystander.
Atrocious Alias: It's a good thing a little girl suggested his name in the reboot because Ben's ideas were "Gigantigecko", "Iguana Monster", "Roar Thing" and "Mega-Stega Dude".
The Big Guy: He fills the role together with Four Arms and Rath.
Boring, but Practical: Yeah, he doesn't do much other than change size and hit his enemies super hard, but in fairness Ben doesn't need much else from a dinosaur-like alien like him.
Composite Character: The reboot incarnation incorporates the spiked tail from Ultimate Humungousaur.
Destructive Savior: Downplayed — he's much more controlled than Four Arms, but still causes some destruction here and there, by accident of course.
Divergent Character Evolution: The reboot gives him a spiked tail similar to Ultimate Humungousaur's, and it has the ability to send out shockwaves, which makes him a bit more distinct from Four Arms.
Epic Flail: Humungousaur has a club-tail like an Ankylosaur, only his has a mace-like spiked ball.
Lightning Bruiser: He's pretty agile for his size, and has been shown doing somersaults and flips.
One-Man Army: He is one of the best aliens to take on multiple aliens.
Prehistoric Animal Analogue: The only dinosaur-like alien of the reboot roster.
Shockwave Stomp: Hitting something hard enough with his armored tail creates a powerful sonic attack.
Super-Strength: Sure, his size should give him away. But even then considering he can raise a house on his own, and can throw objects well past orbit...
Super-Toughness: Took lasers and missiles directly and only staggered.
Top-Heavy Guy: His torso is enormous and his arms very lengthy, reaching his knees. By comparison, his legs are about a third of the size of his arms.

Jetray

Jetray (RE-134)

Voiced by: Dee Bradley Baker

Batman Can Breathe in Space: Jetray can survive in and travel through space. Apparently, this is a major reason he was introduced in the reboot.
Beware My Stinger Tail: His tail can shoot neuroshocks. This has caught numerous opponents off guard trying to counter his Eye Beams.
The Bus Came Back: Despite being sidelined in Omniverse, Jetray makes a return to active use in Season 4 of the reboot.
Eye Beams: He can shoot powerful beams called neuroshocks from his eyes (and tail).
Flying Firepower: Can fly at high speed. Can also shoot neuroshock blasts from his eyes and tail.
Flying Seafood Special: An alien based on an aquatic earth creature (manta rays) that can fly.
Fragile Speedster: Ben's fastest flight alien and remains one of the fastest period. However, he isn't very tough and goes down quite easily if he gets hit.
How Do I Shot Web?: Reboot Ben has a hard learning curve in mastering his flight powers in comparison to Stinkfly.
Informed Ability: According to his official profile, he can breathe underwater; this was never shown (the only times we see him underwater, he quickly gets out of it.^note
Shout-Out: His abilities are exactly like Zok from the Herculoids.
Super-Speed: Whether in the skies or underwater, Jetray can fly incredibly fast. There's a reason why he used to be one of Ben's main aliens for transportation.
Token Flyer: Replaced Stinkfly in Season 4 of the reboot as Ben's main flyer.

Overflow

Overflow (RE-01)

Voiced by: Max Mittelman

Overflow is the Omnitrix's DNA sample of a Cascan from the planet Cascareau. He replaces Ripjaws as one of Ben's original ten aliens for the reboot.

An Ice Person: In his Omni-Enhanced form.
Making a Splash: He possesses hydrokinesis.
Nigh-Invulnerability: His exoskeleton is extremely durable.
Not Quite Flight: He can propel himself into the air by blasting the ground. For obvious reasons, this limits his flight ceiling.
Shoulder Cannon: A huge pair appear every time he uses the Omni-Enhanced form.
Super Not-Drowning Skills: Can breathe underwater.
Suspiciously Similar Substitute: He's basically Water Hazard, but with a new name and different species. Some Word of God bits suggest his and Water Hazard's species are related genetically.
This Looks Like a Job for Aquaman: The reason for him replacing Ripjaws is likely to avoid this, as his set of powers allow him to be useful in more situations than Ripjaws. Ironically this makes him ill-suited for situations that Ripjaws excelled at, such as underwater combat.

Rath

Rath/Ultimate Rath (AF-39, RE-84)

https://static.tvtropes.org/pmwiki/pub/images/1524021_7492.jpg

LEMME TELL YA SOMETHING, TROPER WHO IS READING THIS PAGE RIGHT NOW...

https://static.tvtropes.org/pmwiki/pub/images/lucha_rath_5842.png

^{Click here to see Ultimate Rath as used by Albedo}

Voiced by John DiMaggio (Alien Force to Omniverse), Dee Bradley Baker (Reboot), Bill Rogers (Power Trip)

Rath's DNA was sampled from an Appoplexian from Appoplexia. A species of sentient, anthropomorphic tiger-like beings, Appoplexians are Hot-Blooded, aggressive, short-tempered and not very smart, believing you can solve any problem by hitting it (Or, sometimes, just by "hitting things a lot"). They do, however, possess high durability, as well as ridiculous strength and reflexes.

Ben 23's version is named Tigerizer.^*

Absurdly Sharp Blade: He can cut an entire giant rock in two with just one of his claws.
The Big Guy: Right behind the likes of Four Arms, Humungousaur and Way Big in terms of sheer brute strength, but with the added benefit of agility and Wolverine Claws.
Blood Knight: He loves violence, and his Hair-Trigger Temper means he won't hesitate to jump into a fight.
Boisterous Bruiser: Every line out of his mouth is in the style of a pro wrestler.
Destructive Savior: In spades. His clumsiness and violent behavior often result in property damage.
Does This Remind You of Anything?: Rath raising his singular Wolverine Claws while making his Badass Boast occasionally comes off looking like he's Flipping the Bird instead.
Dumb Muscle: The only one of Ben's physically strong aliens (up to that point in the series) to be this. Whereas all other aliens can be destructive but are fully controlled, Rath is the only transformation where Ben gets dumber and much more aggressive, making it one of his least controllable forms. However, since he usually uses it for heavy combat, he doesn't really mind.
Full-Name Basis: Addresses everyone by their full name and title most if not all of the time, most prominently during his "Lemme tell ya something..." speeches.
Hair-Trigger Temper: This is a genetic trait amongst Appoplexians. Good luck finding anything that doesn't make Rath mad.
Immune to Bullets: Neither bullets nor lasers can hurt him.
Large Ham: It wouldn't be Rath without him shouting "LET ME TELL YOU SOMETHING..." and charging ahead with dramatic wrestling moods.
Lightning Bruiser: He's extremely strong, can survive dropping from thousands of feet in the air, and isn't affected by lasers at the slightest (there are burn marks around him). The only things that prevent him from mauling everyone in sight are his limited intelligence and Hair-Trigger Temper.
Leeroy Jenkins: Is always itching for a fight and will charge head-first into danger.
Mad Libs Catchphrase: "Lemme tell ya somethin', (full name here)..."
Meaningful Name: (W)Rath, the "Appoplexian". Doesn't get much more obvious than that.
Mega Neko: He looks like a big anthro tiger.
Metaphorgotten: Most of Rath's Pre-Asskicking One-Liner speeches tend to be utterly nonsensical for the most part.
Nigh-Invulnerable: Getting hit with a laser doesn't phase him, nor does dropping off of a cliff.
Ninja Pirate Zombie Robot: An alien who looks like a tiger and fights and acts like a wrestler. That sums him up.
No Indoor Voice: This is pretty much his standard way to talk.
Panthera Awesome: Doesn't get more awesome than a muscular, bipedal tiger with Wolverine Claws and the same strength, endurance and agility you'd expect of one.
Shout-Out: Personality-wise, he's a tiger version of wrestlers like Hulk Hogan and Randy Savage. His appearance such as his claws and animalistic nature make him a Wolverine Wannabe, with Ultimate Rath blending it with Kraven the Hunter.
Stupid Good: Ben's intelligence decreases dramatically in favor of heightening his aggression, though he remains a heroic figure. Most of the time it's played for laughs anyways.
Super-Strength: He can throw a tank.
Success Through Insanity: There's no denying that Rath is utterly nuts, but the fact that he tends to back up his inane Badass Boasts with some legitimate fighting prowess and Large Ham dialogue makes it all the more worth it.
Third-Person Person: Outside of his catchphrase, Rath almost always refers to himself in the third person.
Unstoppable Rage: He more-or-less exists in this state at all times. Ben usually selects him for opponents that he has no desire to hold back on.
Wolverine Claws: Except he only has one on each hand. In the middle of them.
Wolverine Wannabe: Rath is from a tiger-like alien species of a Blood Knight Proud Warrior Race called Appoplexians, who possesses Wolverine Claws, are aggressive, and love trash talking. His design is even reminiscent to his first costume◊.

Shock Rock

Shock Rock (RE-49)

https://static.tvtropes.org/pmwiki/pub/images/latest_1_35.png

Voiced by: David Kaye

The second new alien form of the reboot series, a being of pure energy given structure through rocky armor plating. He is the Omnitrix's DNA sample of a Fulmini from the planet Fulmas.

The Ace: So far in the Reboot, he has shown to be Ben's most powerful alien (with the exception of Way Big): not only he has strength and durability similar to Four Arms and Diamondhead, but can also absorb energy, create weapons and give a boost to the other Omnitrix's alien.
- In "The 11th Alien" he was able to go toe to toe with Vilgax on his own, something none of Ben's other transformations could (not even when enhanced by Shock Rock himself).
Badass Cape: When the High Override took control of him, he gave Shock Rock one similar to his own.
Battle Boomerang: He can use his powers to create a "Bluemerang" out of pure energy.
Brainwashed and Crazy: When the Fulmini hone in on Shock Rock's location, The High Override begins to communicate with Ben telepathically. This culminates in Ben as Shock Rock becoming his minion, fighting Gwen and Max in his stead.
Conservation of Ninjutsu: Shock Rock, a lone Fulmini on his own? Gives Vilgax the toughest fight he's ever had. A whole army of Fulmini? Vilgax knocks them down like bowling pins without effort. Might be justified by how Shock Rock is a prime version of a Fulmini, probably second only to the High Override.
Discard and Draw: Even though he's billed as Ben's eleventh alien, he replaced Upgrade in the Omnitrix's loadout.
The Dreaded: Vilgax is terrified when Ben activates the form, claiming Ben would not only destroy himself but the entire planet. Considering Shock Rock was able to defeat Vilgax, it's easy to see why Vilgax would want to dissuade Ben from using him. Later, it turns out Shock Rock himself wasn't the threat, it was that his existence was a beacon for the Fulmini empire which destroy planets to harvest their energy.
Energy Absorption: He can absorb energy and fire it back at his opponents.
Energy Beings: Shock Rock is living electricity with rocky armor.
Equippable Ally: Before becoming a form by himself, Shock Rock manifested as enhancements to Ben's other forms, granting them Shock Rock's powers in addition to their own.
Good Colors, Evil Colors: He is usually a bright, nice shade of blue. When the High Override controls him, he turns a slightly sick-looking shade of purple.
Power Incontinence: Subverted; at first it seemed like his powers were beyond Ben's control, but really it was Vilgax scheming with the Weatherheads to make him think that so he'd give up the Omnitrix.
Shock and Awe: He's made of electricity and can use it as a weapon.
Shapeshifter Weapon: He eventually learns how to shapeshift his arm into a chainsaw.
Shaping Your Attacks: He can shape his electricity, such as creating a "bluemerang" out of energy.
Unwitting Instigator of Doom: Ben using Shock Rock and flaunting Fulmini energy with his "Omni-Enhanced" aliens allowed the rest of the Fulmini species to detect him and plan a full-scale invasion using the Omnitrix as a gateway.

Slapback

Slapback (RE-81)

https://static.tvtropes.org/pmwiki/pub/images/latest_2_7.png

Voiced by: Todd Haberkorn

A new alien Ben acquires in season 3. He is the Omnitrix's DNA sample of an Ekoplektoid from the planet Ekoplekton.

Appropriated Appellation: Gwen was the one who coined the name "Slapback". Ben didn't like it at first, but eventually, he grudgingly admitted how fitting it was, and accepted it as a name.
Asteroids Monster: His basic power set is that every time his back is struck he becomes two doubles who are half the size but twice the weight, strength, and durability.
Big Ol' Eyebrows: Which appear to be made of metal.
Made of Iron: He literally looks to be so and is quite durable. This only goes up the more he multiplies.
Pint-Sized Powerhouse: At four copies he's basically a bunch of super-strong living cannonballs.
Self-Duplication: Like Ditto and Echo Echo before him with the unique spin that the doubles get smaller but stronger, heavier, and more durable. This limits how many he can reasonably make but at the same time reduce the risk of copies being harmed.

Stinkfly

Stinkfly (RE-06)

Voiced by: Greg Cipes

Big Creepy-Crawlies: Basically a giant alien fly.
Breath Weapon: Shoots slime from his mouth and eyes. He can alter the properties of this goo, making them either flammable or fire retardant, for example.
Flight: While he never was Ben's only flyer (Ghostfreak was one as well, and Heatblast later was revealed to be one), this is still the main use Ben had of him most of the time.
Fragile Speedster: He's a highly agile flyer, but compensates with poor endurance. A well-placed hit often swats him out of the sky.
Goo It Up: He can launch goo from his eyes and mouth.
Stink Snub: Stated several times by other characters that Stinkfly, well... stinks.
Token Flyer: Was Ben's go-to choice for flight prior to being replaced by Jetray, as Heatblast's flight powers are much less reliable.
Weaksauce Weakness: Stinkfly's wings are very vulnerable. Even to water.
You Don't Look Like You: He receives the most drastic redesign in the reboot series by far, not only taking on a more humanoid form, but having only two (completely different-looking) eyes, losing his tail, and even changing in color from green to blue. He doesn't even shoot slime from his mouth and eyes anymore, instead firing it out of holes in his shoulders. This happened due to his original design being considered "too scary" and being hard to animate.

Surge

Surge (RE-173-176)

Voiced by: Fred Tatasciore

An alien unlocked by Ben in season 5 who's DNA comes from a hivemind species known as Xerge.

Brought to You by the Letter "S": Is a member of the Xerge species, and his body is in the shape of an X.
Chuck Cunningham Syndrome: Despite his DNA never explicitly being removed from the Omnitrix, he doesn't show up in Ben Gen 10 along with all the other aliens, one episode after his debut.
Hive Mind: The Xerge all share a collective consciousness when combined, with one being the dominant Xerge.
The Load: Surge is practically useless on his own and needs other Xerge to do anything substantial in a fight.
Synchronized Swarming: The primary power of his species is configuring into basically anything when in groups.
Tron Lines: Has these, similar to Upgrade.
Zerg Rush: The second biggest strength of his species is unceasing attacks in endless swarms.

Upgrade

Upgrade (RE-04)

Voiced by: David Sobolov

Ascended Extra: Zig-zagged: in Season 1 he has basically the same role as in the original series; in Season 2 he doesn't appear until the Season finale (his absence has been noted several times, however) where it's revealed his DNA had been destroyed and forced to fuse with Ben's DNA and became the Genius Loci of the Omnitrix, taking the name "Glitch". In Season 3 he escaped the Omnitrix, joining the protagonists as the Sixth Ranger.
Blob Monster: Of the "liquid metal" variety, much like the T-1000.
Confusion Fu: Upgrade's powers and unique physiology make him an unpredictable foe, as every machine he possesses has different abilities.
Cyber Cyclops: Has a single eye on the end of his head.
Expressive Mask: Well, "eye". It's the only way to tell if Ben's angry or glaring.
Mechanical Lifeform: He is made of very advanced Galvan nanotechnology.
Purple Is Powerful: The reboot changed his colors from black, green, and white to two different shade of purple.
Rubber Man: Can stretch his limbs and body at will, being a liquid metal.
Shapeshifting: He can reshape his body.
Science Hero: A variation. While Upgrade doesn't technically make Ben any smarter, the main appeal Upgrade seems to be brains over brawns, as he can merge with technology and use it to fight for him. Unlike Grey Matter, Upgrade can hold his own in a fight for the most part; he's just never Ben's first choice to go into physical combat with.
Technopath: He can take over any machine by fusing with it, upgrading it (hence his name) to incredible levels in the process. But it has limits; if the machine is sentient, it can struggle with the possession and get free.
Terminator Impersonator: He is seemingly based on the T-1000 liquid metal terminator.
Tron Lines: Galvanic Mechamorphs as a species have these, and they do well to add extra awesomeness to whatever tech they fuse with.

Way Big

Way Big RE-167-172)

Awesome, but Impractical: As his name implies, Way Big is positively massive, and could end most threats just by stepping on them if he wanted to. Of course, the fact that he's so huge means that Ben can only use him in limited situations so that he doesn't destroy everything by accident. Really, Ben only uses him for fighting giant opponents.
The Big Guy: In terms of physical power, he is by far Ben's strongest alien.
Expy: Of Ultraman, right down to the plus-shaped energy beam.
Eyes Do Not Belong There: He has two extra eyes protruding from his cheeks.
Kaiju: By virtue of his massive size and strength, he's the only alien in the original lineup to qualify.
Kamehame Hadoken: He can fire an extremely powerful energy beam from his hands by putting them into a plus sign.
Negative Space Wedgie: According to the official bio, this is the species' birthplace; To'kustar are born in giant cosmic storms.
Non-Standard Character Design: He's got his design from the sequels in "Destroy All Aliens".
One-Man Army: Given his size, he can literally crush entire armies at once.
Our Giants Are Bigger: The biggest species in the galaxy.
Shout-Out: Way Big is a fusion of various Ultras from the Ultra Series — he has the color scheme of the original Ultraman with the exaggerated head fin of Ultraman Ace backwards. Additionally, his silver skin is composed of a different material than the red parts, paying tribute to one of the original ideas for Ultraman^note. In addition, the species name, To'kustar, seems to be a reference to the name "Tokusatsu"; the genre that Ultraman belongs to.
Super-Strength: As if his massive size wasn't enough already, Way Big has great strength even in proportion to it.
Ultraman Copy: He is colored dominantly in red and white, capable of changing size and even has a crest in the same way as the original Ultraman. And to boot his species is named To'kustar after the genre which Ultraman helped codify and popularize.
World's Strongest Man: The strongest alien in the Omnitrix in terms of raw strength, though he is eclipsed by Alien X as the most powerful alien of all.

Wildvine

Wildvine (RE-09)

Voiced by: David Hornsby

Combat Tentacles: He can uses his arms like this.
Cyclops: He has a single large eye.
Glass Cannon: His explosive seeds and elongated arms allow him quite a potential for attack, but he is as fragile as any plant. Granted, his Healing Factor makes up for this.
Green Thumb: He could merge with plant life and has the ability to spawn it.
Plant Aliens: Based on a Venus flytrap.
Rubber Man: His vines can elongate to great lengths.
Swiss-Army Weapon: His seeds can be used as bombs, knockout gas grenades, or grow more vines.
Tunnel King: Thanks to his roots, he is capable of digging at high speeds and move underground.
You Don't Look Like You: Like Stinkfly, he was given a more humanoid appearance in the reboot, though in his case this mostly amounted to giving him legs and getting rid of the Venus Fly Trap-like shoulder protrusions.

XLR8

XLR8 (RE-02)

Voiced by: Josh Keaton

Bizarre Alien Locomotion: He moves around by rolling on spheres attached to the bottom of his feet.
Cool Helmet: It has a retractable visor that protects his eyes while he's moving at high speeds.
Fragile Speedster: He is physically frail and will usually fall after the first punch. Still, he runs so fast you can barely see him most of the time, so punching him even once is in itself an accomplishment.
Rapid-Fire Fisticuffs: He can do this thanks to his super speed, usually in the form of rapid-fire kicks.
Stealth Pun: Understanding his name involves saying it fast.
Speed Demon: XLR8 isn't just fast, but obsessed with doing everything at high speeds. Ben uses him whenever he needs to complete a task very quickly. This seems to apply to Kinecelereans in general which is expected given they are a whole species of speedster aliens. On their planet, days are compressed into minutes, and lifetimes are spread over weeks.
Super-Speed: He can run at over 500 mph.
Tornado Move: He can use his super-speed to generate small tornadoes for attack purposes, to put out fires, or to catch people who are falling.

Others

Ben 10,000

Buzzshock

Buzzshock (RE-173-176)

Voiced by: Tara Strong

Shock and Awe: Holds the distinction of being the first electrokinetic alien introduced, though not the first one Ben gained the ability to turn into.
The Trickster: Not Buzzshock himself, but Megawhatts as a species are well-known for constantly wreaking havoc due to their love of pranks and mischievous nature.

Spidermonkey

Spidermonkey (RE-173-176)

Voiced by: Dee Bradley Baker

All Webbed Up/Projectile Webbing: He shoots sticky webbing from his tail to trap enemies, blind them, or swing across long distances.
Building Swing: He can travel via web-slinging in the same vein as Spider-Man.
Fragile Speedster: As nimble as he is, he's not one who can easily bounce back from damage.
Multi-Armed and Dangerous: Spidermonkey has four arms, and has an exceptional mix of strength, speed, and agility.
Projectile Webbing: He can shoot his webs out of the tip of his tail.
Spider-Man Send-Up: He has virtually all the same powers as Spidey (minus Spider-Sense).
Wall Crawl: Unsurprisingly, he can stick to walls, much like a real spider and the webhead he's based on.

Gwen 10

Ripjaws

Ripjaws (RE-181-184)

Voiced by: Montse Hernandez

Abled in the Adaptation: The reboot Ripjaws used by Gwen 10 has the same respirator tech the reoccurring Piscciss Volann prisoner wears, allowing Ripjaws in the reboot to be active outside of water a lot more stably than the classic Ripjaws was able to be used.
Adapted Out: He is not present among Ben's original ten aliens in the reboot, having been replaced by Overflow. He is used by Gwen 10 in the finale episode of the reboot however.
More Teeth than the Osmond Family: He has a lot of teeth in his mouth in the original series.
Our Mermaids Are Different: He has a unique mermaid-like tail when he's underwater.
Super Not-Drowning Skills: He's aquatic.

Alien Force Ben

Big Chill

Big Chill (RE-181-184)

Voiced by: Dee Bradley Baker

Big Creepy-Crawlies: He looks like a giant, vaguely humanoid, skeleton-like moth.
Breath Weapon: Ice breathing, to be accurate.
Flying Firepower: A flyer with powerful ice breath abilities.
An Ice Person: Though he's primarily used for his ice breath, Big Chill has several methods of freezing opponents including shooting ice beams from his hands, through physical contact, and by going intangible. Big Chill also has the ability to freeze the water in the air to create ice constructs and his cryokinesis has successfully overpowered fire attacks more than once.
Intangible Man: And can freeze everything he phases through to boot.
In the Hood: When folded, his wings form like a natural cape and hood, giving him a Grim Reaper-esque look.
The Mothman: Explicitly modeled off this alleged cryptid.
Pungeon Master: Big Chill loves to make ice puns.
Shout-Out: He is based on the alleged real life cryptid known as "the Mothman".

Chromastone

Chromastone (RE-181-184)

Voiced by: Dee Bradley Baker

Back for the Finale: He shows up in the final episode of the reboot used by Alien Force Ben against Alien X.
Cyclops: He has a single eye on his head.
Energy Absorption: His main power allows him to absorb any form of light or energy attack directed at him, then channel it into his own attacks.
Light 'em Up: Though he lacks Diamondhead's Gemstone Assault ability, he trades it for an amplified ability to absorb light and energy in general, channel it inside his body, and redirect it as light-based attacks.
Lightning Bruiser: He seems to be faster and more agile than Diamondhead, but not as strong and durable.

Ultimate Alien Ben

AmpFibian

AmpFibian (RE-181-184)

Voiced by: Dee Bradley Baker

Back for the Finale: Ultimate Alien Ben brings Ampfibian with him for the final part of the reboot.
Electric Jellyfish: A jellyfish-like alien with powerful electrical abilities.
Power Floats: He can fly, though not very fast.
Shock and Awe: He's another addition to Ben's growing collection of electric aliens.

Omniverse Ben

Bloxx

Bloxx (RE-181-184)

Voiced by: David Kaye

Arm Cannon: He can shapeshift his arms into cannons that use his own bricks as ammunition.
Back for the Finale: Omniverse Ben brings Bloxx with him for the Reboot's finale episode.
Built with LEGO: An alien gorilla made entirely of colorful, rearrangeable bricks.
Detachment Combat: By the means of using the bricks that make up his body as projectiles.
Healing Factor: He can regenerate from nearly any injury.
Made of Plasticine: He kind of needs his Healing Factor when his body shatters so easily.
Our Monsters Are Weird: Again, he's a gorilla made from living LEGO bricks.
Rubber Man: His shapeshifting powers are extraordinarily flexible, being able to turn into domes, walls, catapults, and just about anything he can imagine.
Shout-Out:
- Between his design and color scheme, he's a pretty obvious one to LEGO.
- He's also similar to GutsMan.EXE from Mega Man Battle Network in terms of design.
Stone Wall: He's almost used entirely for defense, though he has utilized his super strength on occasion.
Voluntary Shapeshifting: He's basically Plastic Man made out of LEGO bricks.

Supporting Characters

Sez Family

A family consisting of a grandmother named Maxine and her two grandkids, Simon and Ryan, who're likewise on their own roadtrip and likewise have had their share of supernatural weirdness.

In General

Similar Squad: To Max, Ben and Gwen. Both drive RVs, have a member with "Max" in the title, heck Max and Maxine even dress similar and, of course, one of the family has a power on them activated through an accessory (Ben his watch and Simon his backpack). Though whereas Ben and Gwen work together, Ryan hardly cares much of what his brother gets into and sees looking after him as just another chore despite, you know, his little brother being able to summon a mech on command.

Maxine

Voiced by: Audrey Wasilewski (1st Appearance), Debra Wilson (2nd Appearance-Present)

Ryan and Simon's grandmother.

Cool Old Lady: Like Max, she seems to take a lot of the craziness in stride.
Distaff Counterpart: Acts as one to Max.

Simon

Voiced by: Debi Derryberry (1st Appearance), Ogie Banks (2nd Appearance), David Mudd (3rd Appearance-Present)

The younger of the Sez siblings, somehow acquired a mech that he controls.

Bratty Half-Pint: He's only six, but is very temperamental and heaven help you if you get him too riled.
Child Prodigy: Downplayed. He knows a lot of interesting trivia and is able to use his mech suit pretty easily.
It's All About Me: As he puts it, he's annoyed adults telling him what to do despite a lot of his complaints being childish (Eating certain foods, not to annoy people, etc). Justified as he's still very young and doesn't know much better.
Mirror Character: With Ben, the two tend to be annoying to their more mature family (cousin and brother respectively) and they do bond a bit over it. This thing though is that Simon is still young and not mature enough yet to realize that his actions can tend to annoy others. Also doesn't help that he can be hard to talk down once he's angered.
Motor Mouth: Talks a mile a minute, of course he is just a young kid, but still.
Pint-Sized Powerhouse: Again six, but has the power of a mech on his side and no qualms using it to get his way.
Punny Name: Simon Sez, "Simon Says", har har.
Rocket Punch: Can fire rockets out as projectiles.
Shadow Archetype: Basically Ben if he didn't have restraint in using his power as he tend to cause a lot of damage once he's in the mech with little regard for others wellfare. The Forever Knight recruits him for this exact reason.
Spoiled Brat: Pretty obvious Maxine dotes on him too much as a lot of the problems when he's involved are always due to him throwing a tantrum.
The Unreveal: There's virtually no explanation how he got his mech, it's just treated as a normal thing in the series. All that is known about it is that Billy Billions owned the factory that created the model of his mech suit. Which also means Billy can take control over the armor at times and make Simon do his bidding (though it never lasts since Simon is still the one piloting it).

Ryan

Voiced by: Josh Keaton (1st Appearance), Ogie Banks (2nd Appearance), Charles DeWayne (3rd Appearance)

The older of the Sez siblings.

Aloof Big Brother: To Simon. Even when Simon's rampaging around in his mech, this hardly phases him and he seems more annoyed whenever it happens.
Jerk with a Heart of Gold: As aloof and antisocial he can be, he helps Ben handling Simon and even plays video games with him, smiling for the first (and this far only) time in the series. He also does end up acknowledging Gwen when they're stuck in traffic (albeit as they're about to leave, causing her more annoyance than joy).
Love Interest: For Gwen, though one sided on her end.
Morality Pet: To Simon. A few words from him and Simon stops causing trouble. Like Gwen with Ben, he knows how to handle his little brother's tantrums.
Oblivious to Love: Gwen is infatuated with him, but Ryan doesn't even bat an eye to her advances.
Phoneaholic Teenager: A good chunk of the time, most of his appearances will just be him checking his cell phone.
The Stoic: Anti-social to a fault and rarely without a bored expression on his face.

Vin Ethanol

https://static.tvtropes.org/pmwiki/pub/images/vin_pic_9.png

Voiced by: David Sobolov

An associate of Lagrange who cares about family.

Affably Evil: While he associates with Lagrange and later Forever Knight, he’s still a very personable guy.
Cool Car: Uses a souped-up car for illegal racing, complete with a "family" button on the dashboard.
Expy: Of Vin Diesel, particularly his role in The Fast and the Furious series.
Heel–Face Turn: Joins the Tennyson family as an Honorary Uncle in the Season 3 finale.
Punch-Clock Villain: Is part of Lagrange’s crew, but isn’t malicious about it.

Phil Billings

Voiced by: John DiMaggio

Adaptational Heroism: Quite possibly the biggest example in the series. Instead of a conman who freed dangerous aliens only to capture them again to earn a quick buck, this Phil has become an honest engineer and one of Team Tennyson's biggest allies, to the point where he's a frequent Guest-Star Party Member.
Adaptational Nice Guy: He is a fine fellow who worries about his coworkers' safety. He also gets along well with Ben and Gwen.
Freudian Slip: He almost calls the Omnitrix by name before catching himself, even though Ben haven't revealed it to him, suggesting he knew about the watch beforehand.
Gadgeteer Genius: He is able to study the Omnitrix, an extremely complex piece of alien technology, and discover what its problem is and how to fix it. He also built the Omnicopter, allowing the Tennyson family to gallivant all over the world.
In Name Only: While he shares a few traits with his Classic self, this Phil is ultimately a completely different character.

Tetrax Shard

Voiced by: Todd Haberkorn

Adaptational Villainy: Since Vilgax didn't destroy his planet in this version, he is still an amoral bounty hunter.
Bond Breaker: While calling him, Kraab and Sixsix True Companions or even friends would be pushing it (as seen during their interaction in "Bounty Ball") it's implied they have worked together for quite some time and acted as a team on several missions. Due to Tetrax betraying the other two in "Mutiny for the Bounty", it's doubtful they'll work together ever again.
Chained Heat: With Ben in " Mutiny for the Bounty ": it's a subversion, since it was Tetrax that chained them together to bring Ben to his client and could have released them anytime. The device holding them was also designed to counter Ben's transformations, like creating two more cuffs when he turned in Four Arms.
Exact Words: He captures Gwen and uses her as a hostage to force Ben to surrender, promising he will let her go if the child does. After Ben is captured, he drops her from the train roof they were fighting on.
Ben: "You said you'd let her go!"
Tetrax: "I did let her go."
Kick the Dog: His Exact Words example above.
Know When to Fold 'Em: After Vilgax gives him, Kraab and Sixsix a Curb-Stomp Battle and sends them packing through their own teleporter, they wisely decide to not go back to the battlefield.
Healing Factor: Possibly averted: in "Mutiny for the Bounty" Kraab shatters one of his arms and he doesn't regrow it before leaving.
I Owe You My Life: After Ben helped him fight Kraab and Sixsix (who Tetrax double-crossed to keep all the bounty to himself) he lets Ben go. He is quick to add that it's only for this time.
The Leader: Of the group he forms with Kraab and Sixsix. After "Mutiny for the Bounty" it's safe to assume their group has been disbanded for good.
Once a Season: Tetrax is a fairly recurring villain, having shown up once every season.
Only in It for the Money: Which makes him unpredictable: one episode he could be helping Ben fight Vilgax, in another trying to hunt the kid.
Nothing Personal: He said it verbatim to Ben in "Bounty Ball", explaining they were only hunting him for money. Ben (as Grey Matter) argued back that attacking his person is the definition of personal.
Screw This, I'm Outta Here: He and the other bounty hunters run away when Shock Rock proves too much for them.
Super-Reflexes: Enough to keep up with XLR8, much to Ben's surprise.
Teleport Gun: He uses it to quickly arrive and leave a scene.
Vagueness Is Coming: When they give up on the hunt, he warns Ben it's only the beginning.
"You're no longer worth the trouble anymore, flesh child! [...] We just wanted money! There will be others who want far more from you!"
Wild Card: He has nothing personal against Ben, therefore it's impossible to guess if he will be on his side or not when they meet.
The Worf Effect: He, Six Six and Kraab are quickly defeated by Vilgax, showing what kind of threat the conqueror is.

Glitch

Voiced by: Tara Strong

Glitch as he first appeared.

https://static.tvtropes.org/pmwiki/pub/images/glitchs3_00.png

After merging with the Rustbuggy.

He once was Upgrade, before the fight with Vilgax in "Omni-Tricked" almost destroyed him, forcing him to fuse with Ben's DNA. Since then he became the Genius Loci of Omnitrix, until he escaped in "Innervasion" and joined Team Tennyson.

Brutal Honesty: He dislikes Vilgax, but had to agree that Ben is "kinda useless" without his alien forms, mostly due to Ben's cockiness carrying over to him.
Cool Car: He transformed the Tennyson Go-Kart in one by merging with it.
Empathic Shapeshifter: Fused with the Rustbuggy he changes to match the Omnitrix or Antitrix alien driving him.
Genius Loci: Being a Technopath. He has a large control of the Omnitrix, even modifying its structure to fight off intruders like the Fulminis.
Half-Human Hybrid: His DNA is a mix of a Galvanic Mechamorph and a human (Ben).
Happily Adopted: Grandpa Max immediately declared him a new member of their family.
Heroic Sacrifice: Barely subverted. Twice.
"I Know You're in There Somewhere" Fight: To Ben when the High Override put Shock Rock under his control.
Mr. Exposition: He is the one who explained how the Fulminis were able to use Shock Rock and the Omni-Enhanced forms to open a gateway to invade Earth, as well as how to stop it.He also explained to Gwen and Max how to access the alien forms.
Palette Swap: Looks exactly like Ben, only with Upgrade's color scheme.
Sixth Ranger: Joined the Tennyson family at the end of Season 2.
Suspiciously Similar Substitute: After Ben lost Upgrade in the season 1 finale, here comes a new Technopath to make up for it. Of course, it's actually a weird subversion, since he was Upgrade, and Ben can't transform into him. He is actually out of the Omnitrix now, acting as a Sixth Ranger.
Technopath: Just like when he was Upgrade.
Walking Spoiler: The way he was created and his role in the season 2 finale are a pretty big plot point.

The Incurseans

In the reboot, the Incurseans appear in Ben 10 Versus the Universe: The Movie as galactic enforcers.

Adaptational Heroism: Instead of being ruthless conquerors like in the old continuity, the Incurseans here function more as an intergalactic police force and jury. They are also quick to help Ben return to Earth once he proves he isn't Vilgax by saving them.

Ben 10, 000

Voiced by: Fred Tatasciore

Adaptational Angst Upgrade: Unlike the original Ben 10,000s, this version has pulled out of active superheroics after an incident where his Grandpa Max died.
Adaptation Personality Change: This version of Ben 10,000 Never Grew Up and is a Manchild living out of the dump with Hitch and a few dummies made out of trash.
Adaptational Wimp: Lacks the access to the Master Control his original counterparts had, and is thus just as prone to turning into the wrong alien as the 10-16year-old versions.
The Alleged Car: His Omnitrix barely functions, and at one point leaves him stuck between human and Spidermonkey.
Beard of Sorrow: His facial hair is reimagined as this, and he shaves it off once he gets out of the funks.
Composite Character: Takes on a few traits of Alien Force-era Ben, such as the habit of drinking Mr. Smoothies, the ability to turn into Spidermonkey and his look after cleaning himself up.
He's Back!: Resolving the invasion by the Xerge leads Ben to clean himself up and get back into active heroism.

Villains

Arc Villains

Vilgax

"I am Vilgax, Conqueror of Worlds!"

Voiced by: Yuri Lowenthal

The Ace: Of his own species, since the Omnitrix transformations are all genetically optimal versions of their origins. It also helps that the "sample" for Ben's alien transformation as Gax is originally a fraction of Vilgax's DNA and power stored within the Omnitrix.
Adaptational Badass: This Vilgax is one of the strongest, most threatening portrayals since the original series. Not only does he have his Eye Beams as part of his original powerset, but he now also displays the ability to manifest Combat Tentacles. He also displays the more cunning planning ability of the sequel series Vilgaxes.
Adaptational Intelligence: While Classic Vilgax was by no means dumb, he's a great deal smarter than Classic Vilgax both in terms of scientific knowledge and tactical strategy. Reboot Vilgax is a scientific genius who worked for Azmuth and assisted him in constructing the Omnitrix, compared to Classic Vilgax who at one point didn't even know how to operate the Omnitrix until Ben taught him how. In addition, while Classic Vilgax was a Manipulative Bastard in his own right, he wasn't quite The Chessmaster that Reboot Vilgax is who is capable of orchestrating complex plans seasons ahead of their fruition, like manipulating Kevin into constructing the Antitrix.
Adaptational Nice Guy:
- Oh, he's still a power-hungry conqueror, but he's nowhere near as vindictive as the original. While his goals often bring him into conflict with Ben, he treats him more like a nuisance than an Arch-Enemy. He's even willing to work with Ben to defeat a common foe, if only out of pragmatism and self-preservation. It isn't until his return in Season 4 that Vilgax becomes more vindictive against Ben, like his original counterpart.
- It's also worth noting that he initially had no interest in taking the Omnitrix, instead wanting to destroy it to be sure his powers wouldn't be trapped inside it again. After Ben was apparently crushed by the Omnitrix, he was more than happy to leave and resume conquering the galaxy. It's only after he realizes how powerful it can make its user that he decides to take it.
  Vilgax: It seems I have underestimated the power of the Omnitrix. Giving a mere child the power to challenge me, Vilgax the Conqueror. I think I'll take it!
Adaptation Origin Connection:
- Inverted: In the Original Series, Vilgax and Max first fought each other when the latter was still a young man, decades before Ben was even born. In the reboot, they had no clue about each other's existence before "Vil" comes to Earth to retrieve his missing half.
- Played straight in regards to the Omnitrix and Azmuth. In the Classic Continuity, he simply saw the Omnitrix as a tool for conquest and Azmuth was just one of his many enemies. In this version, he was Azmuth's friend and student and helped create the Omnitrix.
Always a Bigger Fish: The Fulmini Empire are this for Vilgax. Despite being a Galactic Conqueror himself, even Vilgax regards the Fulmini with fear and their ruler, the High Override, is far more powerful than him. Their arrival forces him into an Enemy Mine with Ben.
And I Must Scream: When he is banished into the Null Void. Unlike the Classic Continuity, where it was a place full of dangerous creatures (which really wouldn't be a problem for Vilgax) in this version it's a completely blank space, where time is frozen and you are drifting forever.
Big Bad: The overall antagonist of the series, serving as the Final Boss of Season 1, the main villain of Season 2 and Season 4's "Ben 10 Versus the Universe: The Movie."
Big Bad Ensemble: With the High Override for second season finale, "Innervasion", but Vilgax regards the Fulmini Empire as the greater threat and teams up with Ben to stop them.
Big "NO!": When he realizes Ben can change into a Galvanic Mechamorph and stop his ship from taking off.
- He gave another one when The High Override trapped him in the Null Void.
Brought Down to Normal: Prior to the series, Vilgax was apparently stripped of his powers, which were stored in the Omnitrix in the form of "Gax". It doesn't stick, since he returns to full strength in the "Omni-Tricked" special.
Canon Character All Along: Originally introduced himself as "Vil" after meeting Ben as "Gax". He is initially nothing like his old series self, being a shrivelled husk in a cloak, until he steals Gax from the Omnitrix and returns to his more imposing true self.
Cassandra Truth: He sternly warns Ben against using Shock Rock after unlocking his DNA, saying that it would tear not only him apart, but the rest of his world as well. Since he'd already deceived Ben once before, his warning falls on deaf ears, but Vilgax is later proven to be right by "Innervasion", where Shock Rock's activation lured the Fulmini Empire to Earth.
Vilgax: Do not activate that alien! It will tear you apart and the rest of your world along with it!
Ben: Only one way to find out, Mr. Suddenly-Sensitive Bad Guy.
Casting Gag: It's hard to overlook the irony that this Vilgax is played by Ben Tennyson himself, specifically teenage Ben from the classic continuity.
Character Development: Inverted. When he crashes on Earth, he is a diminutive shell of his former self wearing rags and he humbly asks Ben to call him "Vil" while teaching him how to use Gax. However, he simply wanted to steal back the power that was taken from him and sealed in the Omnitrix. As soon as he does this, he returns to being the Vilgax we know.
The Comically Serious: Like usual, the only funny thing about Vilgax is how devoid of humor he is, which can make him frustrated when dealing with the antics of Ben or lesser evil partners like Dr. Animo and Zombozo.
Combat Tentacles: His arms are actually formed by five tentacles each compressed together. He can detach them and use each one independently, allowing him to hit multiple targets at once or to trap opponents.
Composite Character: His overall appearance and inability to stay down are taken from the first series, his facial design of bigger eyes and visible but not too large mouth are taken from Alien Force / Ultimate Alien era as well as the Eye Beams he had. A toy also depicts him with a sword, much like said incarnation. His Alien-V form is pretty much a dead-ringer for Malgax (Vilgax using Malware as armor) in Omniverse.
- He takes cues from Zs'Skayr, with part of him being trapped in the Omnitrix as an alien form Ben uses (Ghostfreak and Gax respectively) and him seeking that part out in order to become whole. In a similar vein, this also brings to mind Malware, who steals an alien form that Ben really liked from the Omnitrix (Malware stole Feedback, while Vilgax stole Gax) as well as the aformentioned Malgax design for Alien-V.
- It's revealed in Ben 10 Versus the Universe that he's a former student of Azmuth's, much like Albedo or Myaxx in the Classic Continuity.
- It is Vilgax who ends up transforming into an All Your Powers Combined form as AntiVilgax, much like Kevin's Kevin 11 form in the original series.
Continuity Nod: His second appearance and onward features him with several blackened patches of skin, from the burns he got from falling into lava from his fight with Ben.
Curb-Stomp Battle: He's usually on the giving end of these, thanks to his tremendous strength and experience. Tetrax, SixSix, and Kraab are ultimately no match for him, and he soundly defeats Ben in their first fight. The trope is flipped on him for once when Ben briefly unlocks Master Control.
Curb Stomp Cushion: While he clearly holds the upper hand for most of their rematch, Ben manages to get in some good hits by using his unpredictable transformations to catch Vilgax off-guard. Almost all of his battles with Ben in Season 2: the new Omni-Enhanced forms allowed Ben to better hold his own, but Vilgax was still clearly the stronger fighter (plus Ben often had help from others).
Deadpan Snarker: When he and Ben are forced to team-up against the Fulmini, Ben whines about being totally useless.
Vilgax: First intelligent thing you've said all day.
Didn't See That Coming: This is often the cause of Vilgax's defeats. Because he quickly adapts to the Omnitrix's aliens, Ben has to either bust out a new alien he hasn't encountered yet or rely on another outside factor. Vilgax didn't realize Ben could transform into a Galvanic Mechamorph, which cost him his ship. He was also caught off guard by the Omni-Enhancements and Shock Rock's extraordinary power. He also underestimated Dr. Animo, who changed into Rath, in order to take him on directly.
Enemy Mine: Knowing full well how dangerous the Fulmini Empire is, he decided to ally with Ben to stop their invasion.
Evil Genius: This Vilgax was once Azmuth's assistant, displaying a level of scientific ingenuity the classic Vilgax never had.
Evil Mentor: Vilgax and Ben develop a rather twisted student-mentor relationship throughout the second season, and is shown to be more knowledgeable of the Omnitrix than Ben, occasionally teaching him of its capabilities.
Evil Versus Oblivion: Why he joins forces with Ben in fighting the Fulmini, a destroyed world is of no use to Vilgax the Conqueror.
Eye Beams: Carried over from Alien Force and slightly modified, Vilgax can shoot lasers from his eyes.
Good Scars, Evil Scars: His ship falls into a volcano in the season one finale, leaving him with several burned patches of skin in season two... which he's not very happy about.
Ben: Hey, Vilgax! Nice tan line you got there!
Vilgax: TAN LINE?!
Greater-Scope Villain: He's trapped in the Null Void and thus absent for the third season, but Ben 10 versus the Universe reveals he was the one who subtly manipulated Kevin into creating the Antitrix, which was a major plot point of Season 3. When he escapes the Null Void, he steals the Antitrix from Kevin for himself.
He's Back!: A villainous version. He was severely depowered and left withered and frail. Upon regaining his power, he returns to being The Dreaded galactic conqueror the universe knows him as.
Vilgax: I'M VILGAX ONCE MORE!
How the Mighty Have Fallen: In this continuity, his physical strength and abilities were stripped from him and sealed in the Omnitrix as a form Ben only unlocks when Vilgax approaches Earth. Without "Gax", "Vil" is puny and weak, wears a tattered robe, and appears to be greatly humbled.
Humongous Mecha: He used one in the first part of "The Innervasion". It proved to be extremely durable (Omni-Enhanced Four Arms couldn't scratch it), but was taken down by Shock Rock thanks to The High Override's thoughts assisting him.
I'll Kill You!: "I will destroy you and then, I will destroy this world!"
"I Know You're in There Somewhere" Fight: No, really: when Ben as Shock Rock was under the influence of the High Override. Of course, he made it in his own way, offering to leave Earth alone in exchange for the Omnitrix core.
Know When to Fold 'Em: This Vilgax, as part of his more intelligent and cunning nature, is quite willing to just cut his losses and retreat for the time being when things are going south.
A Lighter Shade of Black: Compared to the High Override, Vilgax is less of a threat enough that Ben reluctantly teams up with him.
Leitmotif: He's usually accompanied by a sinister choir and tribal drum riff.
Manipulative Bastard:
- He serves as an Evil Mentor to Ben, feigning innocence, teaching Ben about the Omnitrix and coaching Ben on how to use the Gax form. He later reveals his true colors and absorbs the Gax form for himself.
- With the help of the Weatherheads he successfully convinced Ben that using the Omnitrix was becoming a danger for the whole Earth and to give it to him. If it wasn't for Gwen Vilgax would have won right there.
Nigh-Invulnerability: He was submerged in lava at the end of Season 1. He only got some minor burns from it.
Not in This for Your Revolution: When he warns the Tennysons about the Fulmini invasion, Ben wonders why he cares about Earth. Vilgax replies he doesn't, but they are a threat to his own plans for galactic conquest and his wish to obtain the Omnitrix.
Not Me This Time: After most of what was left of Vilgax's Humongous Mecha and the car batteries of the campers went missing, Ben quickly accused Vilgax. He merely lampshades how he was still trapped in the energy box Shock Rock created. While Ben suspects he used autopilot or A.I., the culprit was actually Ben himself, who in his sleep was being controlled by The High Override to build a beacon to help the Fulminis invade Earth.
Not So Above It All: After Grey Matter got zapped trying to break the energy cage Vilgax was trapped in, he actually cracked a smug smile.
O.O.C. Is Serious Business: When Ben unlocked Shock Rock in "The 11th Alien", Vilgax flipped, warning Ben to not use it. When his words fell on deaf ears, he drops all pretense of trying to reason with Ben and savagely attacks him. With the reveal of the Fulmini Empire in the season finale, his fears weren't unfounded.
- Also in "The Innervasion" part 2, where he tells Ben to escape while he'll hold off the robot chasing him. Because Ben was Shock Rock at the time, and the robot was trying to absorb his energy to send Earth's coordinates to the invasion force of the Fulminis.
"The Reason You Suck" Speech: Gave one to Ben in "The Innervasion" when Ben was reluctant to seal the Omnitrix's Chamber to stop the Fulminis, as this would have made him unable to transform, accusing him to prefer his powers over the safety of his planet.
"I always knew you were too childish to do the smart thing! Now I see you are also too selfish to do the right thing!"
Sealed Evil in a Can: In "The Innervasion" the High Override banishes him in the Null Void.
Taking You with Me: Attempts this on Ben when he transforms into Upgrade and causes his ship to fall into a volcano.
Vilgax: Very clever, boy! But now, you've doomed us both! You can't run, and the Omnitrix can't help you now! If my ship goes down, you go down with it!
Tantrum Throwing: When he realizes the robot Shock Rock built had completed its job on summoning the Fulmini, he starts angrily trashing the robot for failing to prevent their arrival.
This Cannot Be!: Once Ben unlocks Master Control and he's on the receiving end of a Curb-Stomp Battle for once.
Vilgax: It's not possible to change this frequently!
- And he gets another one in the final battle with Ben in Ben 10 Versus the Universe.
Vilgax: You can't beat me! You're just a ten year old! [...] Impossible!
Treacherous Advisor: He instructs Ben on utilizing Gax, teaching him that mastering the abilities of a Chimera Sui Generis takes a lifetime of tempering. Despite it being a ruse to get close enough to steal his power back, he successfully got Ben to disintegrate a tree without causing a forest fire.
Vile Villain, Saccharine Show: As mentioned before, he's a lot more threatening than you'd expect from a comedy-oriented reboot of the franchise.
Villain Team-Up: In season 2 he forms several of these, allying himself with Animo, the Weatherheads, and Zombozo, hoping to use their technology to create and control his army of aliens from the Omnitrix. None of these alliances ended well.
Vocal Dissonance: Being played by Yuri Lowenthal, while his voice is still deep, it's noticeably more high-pitched than the classic continuity compared to the growl of Steve Blum or the low voice of James Remar.
We Used to Be Friends: It's revealed in Ben 10 Versus the Universe, he used to be Azmuth's partner, assisting him in the creation of the Omnitrix before using the watch as a weapon, betraying Azmuth's intentions.

The High Override

https://static.tvtropes.org/pmwiki/pub/images/unknown_06.png

"Who dares to defy the will of... The High Override?!

Voiced by: Fred Tatasciore

The leader of the Fulminis, he invades other planets to search for energy to keep his homeworld together.

Attack of the 50-Foot Whatever: He is simply gigantic, around the size of Way Big.
Badass Boast: "Entire galaxies bow before me, and you will be no exception."
- He gives another when he banishes Vilgax in the Null Void. " The High Override does not deal. He conquers!"
Badass Cape: A giant purple one made of energy.
Batman Gambit: When Shock Rock's DNA got unlocked, it kept sending signals towards Fulmas whenever Ben transformed. He was able to use it to influence Ben (who used him well enough by that point) in building a machine to create a passage through the Omnitrix to start the invasion.
Big Bad Ensemble: With Vilgax for Season Two. He's not revealed until the five-part finale, but every time Ben transforms into Shock Rock throughout the season, he's unwittingly advancing High Override's agenda.
Conservation of Ninjutsu: Not him per say, rather his Fulmini army. Ben as Shock Rock, a lone Fulmini, was able to give Vilgax a very hard time. But a whole army of them? Vilgax knocks scores of them down like bowling pins.
- Possibly Justified, as Shock Rock is a peak Fulmini, while the soldiers are just lesser, seemingly mindless henchmen.
Energy Absorption: He can absorb the essence of his soldiers to make himself more powerful. He can also do the opposite and give new life to them.
Energy Being: Like all Fulminis, he is made of living energy.
Evil Versus Evil: Vilgax is pitted against him, as he is a big enough threat even Vilgax doesn't want him around.
Expy: Of Zs'Skayr. Both responsible for one of Ben's aliens going rogue (Ghostfreak and Shock Rock respectively), both are the power-hungry leaders of their species and desire to invade Earth along with any other planet they can find, both serve as the Big Bad of the final arc of a season, and both led to an Enemy Mine between Ben and Vilgax.
Galactic Conqueror: As his Badass Boast implies.
Knight of Cerebus: He is not funny or silly in any way. Simply the fact that he was coming prompted Vilgax to ally with Ben.
Mind Control: He can take control of all his soldiers, as well as Ben when he is transformed in Shock Rock. Ben was able to break free when the High Override ordered him to kill his family.
Puny Earthling: He has a low opinion of humans, ever after Ben, Gwen and Max transform with the Omnitrix to fight him.
- It's implied he has not a good opinion of any species apart from his own: when Ben turned into Omni-Enhanced Four Arms, he refers to him as "Useless Tetramand".
Spell My Name with a "The": He always put a "the" in front of his title when talking about himself.
Throne Made of X: He builds one with hundreds of his own soldiers.
Who Dares?: His first physical appearance had him asking who dared to challenge him.

Forever Knight

Voiced by: Roger Craig Smith

A mysterious individual who coats himself in high-tech medieval-looking armor and is currently studying Ben and Kevin.

Adapted Out: The rest of the organization seems to have been removed from the reboot, in favor of making the Forever Knight an independent antagonist with his own henchmen instead.
Big Bad: Of Season 3 in the reboot. He's been gathering several of Ben's villains for his plot to go back in time and prevent aliens from ever visiting Earth, thus allowing him to rule it uncontested.
Big Bad Ensemble: With Kevin 11 in season 3 after Kevin refused his offer to join him.
Bullying a Dragon: He does that as a Batman Gambit in "Don't Touch": after Ben busts his armor, he has no way to avoid capture... so he gives Ben (who was Humungosaurus at the time) a breaking speech in order to make the kid angry enough to hit him and send him flying. That's right, he actually used Team Rocket's Running Gag to his advantage.
Brain Uploading: After being stuck in the past, he prevails by transferring his consciousness into his helmet and hijacking other bodies.
Composite Character: "Forever Knight" is now a single individual rather than an organization. He appears to be predominantly modeled after Driscoll, with all-covering armor, and forming a team (composed primarily of Ben's enemies) for his own purposes. However his color scheme is more similar to Enoch, with its emphasis on gray, dark red, and yellow colors. He is a robotic being much like the Forever Ninja. His status as a centuries old being with the goal to protect Earth from potential invaders takes after Sir George from Ultimate Alien.
Contrasting Sequel Antagonist: Unlike Vilgax and High Override, he's an independent Earth-based villain rather than an alien invader with an army behind him.
Demoted to Extra: Much like Kevin, he goes from part of the Big Bad Ensemble of Season 3 from just an occasionally recurring villain in Season 4.
The Faceless: We still haven't seen him without his helm. The most we saw of his face is when Humungosaurus cracked his helm in "Don't Touch" showing he is a young, Caucasian man.
Energy Weapon: His suit can create a mace, a whip and a shield.
Evil Mentor: Even more so than Vilgax, actively training kids into doing his bidding. And to his credit, they do get more threatening upon joining him, as evidenced by their reappearances before the finale being more imposing threats. Ben is no exception either, as he wiped the floor with Charmcaster, Billy and Kevin simultaneously against him in a matter of seconds.
Expy: He hides in the shadows, observes things from a monitor screen, hides his face behind a mask, is an incredibly effective fighter whenever he steps out to do things himself, and has a mysterious agenda based around recruiting young people...including corrupting the show's hero. Sounds a lot like Slade, doesn't it?
Knight of Cerebus: He is working toward constructing his own supervillain team, has no quirks or funny aspects, can hold his own against Shock Rock and Humongosaur, and delivered to Ben a harsh "The Reason You Suck" Speech in their first meeting.
Knight Templar: He legitimately feels that the Omnitrix only places Earth in greater danger, and his plan is to go back in time and prevent it from coming to Earth. Unfortunately, true to form when it comes to the Forever Knights in this franchise, he also is self-righteous enough to believe that he would make the ideal supreme ruler of Earth once this is accomplished.
Legion of Doom: He works toward building one throughout Season 3. Uniquely for this trope, the hero ends up as one of the recruits.
Mythology Gag: Recruiting a team of Ben's enemies is exactly what the Forever King Driscoll did the in the Original Series. This time, however, Ben is also part of the team.
Powered Armor: It looks like a classic medieval knight's and gives him the strength to fight Ben's alien more or less on equal term.
"The Reason You Suck" Speech: Gives a brutal one to Ben in "Don't Touch" when they first meet. What makes it so effective it that his arguments are actually doubts Ben had about himself in season 2.
Ben: You don't know me!
FK: Don't I? You are a child, in over his head, who is using borrowed power from technology you can't even control!
Ben: Um... you are wrong!
FK: And you think you know power? But without your technology, what would you be?
Ben: I...
FK: Just a weak, useless, scared little boy hiding from his own pathetic mediocrity! (All while Ben is increasingly telling him to stop)
Sinister Surveillance: Uses a drone to observe Ben's battle and decide which villain to recruit.
Spell My Name with a "The": Subverted. Everyone in-series calls him "Forever Knight" instead of "the Forever Knight", as if it was his name, rather than a title.
Villain Takes an Interest: He is impressed by both Ben's and Kevin's alien forms and wishes to bring the two kids to his side.
- "Roundabout" amps this up for Ben. Once Forever Knight put his plan into motion, he stopped caring for the other Squires and insisted on Ben being there to aid him. Justified as only Ben can find the signals Forever Knight is looking for, but even then, he completely disregards the rest of the team he gathered and goes as far as calling Kevin a knockoff of Ben despite complimenting Kevin's aliens earlier, proving he only really cared about bringing Ben to his side since the beginning. Even on the brink of losing, he orders Kevin to bring him Ben instead of telling him to come back.
Well-Intentioned Extremist: Played with. He does believe his goal to Ret-Gone all aliens from Earth is a righteous one, but also wants it so that he can become the unopposed supreme ruler of the world out of sheer arrogance and entitlement.
Why Are You Not My Son?: Non-family example, although the theme is present. He subjects Kevin (who has parental issues) to this to the end by comparing him to Ben, and his actions in Roundabout make it clear he favors Ben over him, even for the sake of an evil plan.

Kevin Levin

https://static.tvtropes.org/pmwiki/pub/images/reboot_kevin.png

Voiced by: Greg Cipes

Adaptational Badass: Not him (see below), but the Antitrix's version of Grey Matter, Dark Matter: he is much taller than Ben's, strong enough to hurt Four Arms and capable to create some kind of crystal-like substance to form weapons and trap opponents.
Adaptational Heroism: The original Kevin was an Ax-Crazy Enfante Terrible, whereas this one is mostly a bully and is capable of being reasoned with, even helping Ben and Gwen out on occasion. He still shows a willingness to kill Ben, but only Ben.
Adaptational Intelligence: The old Kevin was a good mechanic as a teenager; this Kevin, as an 11-year-old no less, is able to build a device similar to the Omnitrix following a dream he had.
Adaptational Jerkass: But by the same token, the original Kevin's villainy resulted from a combination of being bullied and treated as a freak due to his powers and a side effect of his powers making him psychotic when misused. This version of Kevin doesn't have any insanity-causing power, instead using his own Omnitrix, and he is himself a petty bully who takes pleasure in inflicting misery to others.
Adaptational Superpower Change: Instead of absorption powers, he wields a knock-off Omnitrix.
Adaptational Wimp: A minor example, he lacks his powers from the Classic Continuity, but unfortunately for Ben, that doesn't mean he isn't a threat.
Anti-Villain: He's not without his better qualities, and even at his worst one can certainly understand the pain that is motivating his actions.
Ascended Extra: Somewhat Downplayed. While the Classic Kevin 11 was an important villain, he didn't necessarily appear too often, contrary to how some older fans might remember it. Even his final appearance was just a quick cameo in Ben's dream. In the reboot, however, he has now topped Vilgax as the most frequently recurring antagonist, making at least 32 episodic appearances and appearing in The Movie. The higher-ups demanding 12 extra episodes featuring Kevin in Season 3 only further emphasize this trope. This oversaturation is somewhat fixed in Season 4, where several of his appearances are quick cameos and he generally doesn't have much substance to his appearances outside of the Grand Finale movie.
Arch-Enemy: He considers himself this to Ben.
Berserk Button: Kevin gets very angry in "Introducing Kevin 11" when Ben points out that he, unlike Kevin, at least has people he can run to for help. His lack of friends or attentive family members clearly hurts him more than he lets on.
- In general, he hates being reminded he's alone. Say the wrong thing about his situation, he can go anywhere from defensive to outright attacking anyone who crosses his path. He also doesn't like being compared to Ben.
Big Bad Ensemble: With the Forever Knight in Season 3 after refusing his offer to join him. At least until "Introducing Kevin 11", where he officially joins him due to his jealousy towards Ben.
Body Horror: In "Which Watch" Charmcaster uses a spell on his Antitrix, causing the device to use the DNA of all the 11 aliens on Kevin and mutating him in a grotesque amalgam of body parts, just like the Kevin from the original series.
The Bully: He was Ben's worst bully at school, even worse than Cash and JT.
Character Development: In Season 4, while he's still The Rival to Ben, he's become a lot more mellowed out in his demeanor after returning from being lost in the timestream for a long time.
Composite Character: His appearance takes after Kevin from the original series and his role as Ben's Omnitrix-wielding rival takes after Albedo. He also is now in the role of Ben's old school bully previously filled by J.T. and Cash. The dynamic being developed between him and the Forever Knights also calls to mind Kevin and Servantis' dynamic from Omniverse.
- Word of God is that his versions of Ben’s aliens are this with other Omnitrix aliens from the classic continuity, though the exact hybrids are unknown.
Demoted to Dragon: Eventually joins the Forever Knight.
Demoted to Extra: Kevin was so important to Season 3 that additional episodes were ordered for it under the mandate that he be included in them. In Season 4, he doesn't make nearly as much appearances, and a few that he does are just brief cameos. He does have a major role in The Movie serving as the season's finale, though.
Easily Forgiven: Beyond their childish Eviler than Thou rivalry, Charmcaster works together fine with Kevin in "Roundabout", never bringing up that he was inadvertently the one who destroyed her spellbook in "Which Watch" or that he caused her defeat in "What Rhymes with Omnitrix?". Even him destroying her new power source just gets her comedically miffed rather than truly angry.
Enemy Mine: There are many instances of it in the extra ordered episodes of Season 3, and in "Roundabout: Part 2", he ultimately teams up with Ben and Gwen against the Forever Knight when he realizes that their personal interests are incompatible and that the Forever Knight never truly believed that he was stronger than Ben. It also happens in Season 4, with Kevin more open to it at this point.
Evil Counterpart: Once again is this to Ben, this time with his own Omnitrix.
Eviler than Thou: He and Charmcaster seem to have a mild rivalry concerning this, with both insisting that they are the more capable villain.
Genius Bruiser: Apparently, he is a skilled mechanic, seeing as he was able to create the Antitrix.
Green-Eyed Monster: "Introducing Kevin 11" reveals that part of his hate for Ben comes from the fact that Ben has a supporting family, unlike him.
Heel–Face Revolving Door: Following the originally ordered episodes of Season 3 where he was part of a Big Bad Ensemble, the extra ordered episodes of Season 3 revolve around Kevin's constantly flip-flopping morality as he begins falling between being an Anti-Hero and being an Anti-Villain. By Season 4, though, he's more of a solid Anti-Hero who simply insists on not getting along with Ben and trying to beat him at everything, including heroism. This status persists even in Ben 10,000's future, where his insistence on competing with Ben causes him to get permanently stuck in an alien form of his own making but he is still willing to join fights for the greater good.
Heroic Sacrifice: Allows himself to get lost through time in order to defeat the Forever Knight and allow Ben and Gwen to return to the present in "Roundabout: Part 2".
Hybrid Monster: Word of God is that all of Kevin’s Antitrix aliens are mixes of two different species, presumably due to the Antitrix being a Flawed Prototype.
Hypocrite: In "Which Watch", Kevin dismisses Charmcaster's petty grudge against Gwen as "stupid drama". All while continuing to take his own petty grudge against Ben completely seriously.
I Surrender, Suckers: In "Buggy Out" he found himself being overwhelmed by Rath, so he pretended to surrender (as well as sweet-talking Ben), before sucker-punching him with Hot Shot's flame.
Jerkass: He loves to make people miserable For the Evulz. As the show goes on, he swings between Jerk with a Heart of Gold and Jerk with a Heart of Jerk regularly.
Lack of Empathy: While not the sociopath that his Original Series counterpart was, this Kevin still suffers from this. The show's staff have said that this is the main thing setting Kevin apart from Ben: Ben will feel regret when he's messed up and apologize for it, whereas Kevin is largely incapable of doing the same.
Mistaken Identity: Because of his watch, expect someone to mistake him for Ben or a relative of his. Taken up to eleven when he and Ben lose memories and swap phones, leading them to read each other's diaries and think they're each other.
Mythology Gag: At the end of "Which Watch", Ben says "Way to go, team!" to himself, Gwen and Kevin, who were a team in Alien Force and Ultimate Alien. Cue Kevin angrily shoving Ben away, insisting they are not a team and that he'll be back to destroy him later. Happens again in "Roundabout: Part 2", where despite working with them and making a Heroic Sacrifice for them, he insists that he is still their enemy and will ultimately be the one to destroy them.
No Good Deed Goes Unpunished: In The Movie, he comes the closest to a full-on Heel–Face Turn as he has ever had. As a result, he gets put through the wringer over and over again, and having his fears of inadequacy especially when compared to Ben reinforced stronger than ever before.
Nominal Hero: Many times in the additional episodes ordered for Season 3, he ends up playing the hero either against his will or because he has a selfish objective to be gained in doing so.
The Only One Allowed to Defeat You: He's furious when Charmcaster controls him to try to kill Ben in "Which Watch", because if it's under her control then it doesn't really count as him getting to do it. He also protests her trying to kill Gwen in "Roundabout" by saying that if anyone gets to kill her, it'll be him, although in this is just a cover for his Precocious Crush on her.
Parental Neglect: He is the victim of this, as shown in "You Remind Me of Someone".
Pet the Dog: He helps Ben and Gwen in "Franken-Fight", even parting ways with them on peaceful terms for once.
- He also ends up working together with Ben in "Four by Four", even taking a laser tag bullet for him, although he insists it was for just his own benefit.
- At the end of "Introducing Kevin 11", he helps Ben save innocent people from a collapsing building since he doesn't want people not involved in he and Ben's feud to get hurt (hence why he knocks the building onto Ben once the people are safe).
Precocious Crush: As shown in "Franken-Fight", he has a one-sided crush on Gwen. As we see later on, he vehemently denies it in front of either of the Tennyson cousins.
Redemption Equals Death: Well, in this case it equals getting lost in a time portal, and he stubbornly insists it isn't a redemption. And he was right, as he finds his way back to the present in Season 4 and goes right back to causing trouble, albeit with less intense of an attitude as he had before.
Redemption Rejection: Like in the original show, he does this frequently, as his stubborn pride and hatred of Ben is just too strong. He even makes a Heroic Sacrifice while still insisting he's "the baddest around".
Remember the New Guy?: He is introduced as someone Ben knows from school, but neither Gwen nor the audience are familiar with.
The Rival: To Ben. He is even described as such in official material.
Running Gag: Some season 3 episodes has some of the villains describe him as "emo Ben" due to having a watch with aliens like Ben but being overall Darker and Edgier, much to Kevin's chagrin.
Shout-Out: Now that he has been fleshed out more as a rival to Ben rather than a legitimate villain, the dynamic between the two is quite reminiscent of Bugs Bunny and Daffy Duck.
She Is Not My Girlfriend: If anyone dares to suggest that he has a crush on Gwen, which he does, he will swear up and down that he doesn't.
Sour Outside, Sad Inside: He may be a Jerkass bully, but deep down he's also a lonely kid.
Troubling Unchildlike Behavior: While not Ax-Crazy in general like in the original show, this version of Kevin has still made it clear that he'd have no qualms killing his rival Ben. He also claims he'd be fine killing Gwen, but in that case he's obviously in denial.
Unishment: In Ben 10,010, continuing to tamper with alien DNA in order to one-up Ben caused him to become trapped in the form of Humangoraptor, his answer to Ben's Humungosaur form, for several years, with no clear endpoint in sight. But given that this mean's he's now a giant, super-strong humanoid dinosaur, Kevin isn't exactly bothered by his condition.
Ungrateful Bastard: A recurring trend with him is that any time Ben helps him or saves his life, it only makes him hate Ben more because he can't stand seeming weaker than him. The most blatant example is in "Buggy Out", where Ben saves Kevin from the angry Forever Knight, only for Kevin to willingly go back to the Knight at the end of the episode and offer up a way to use Ben's beloved family members against him.
Un Manly Secret: “Xingo-Nation” reveals that he’s a fan of Lucky Girl, though he doesn’t like people to know that.
Unskilled, but Strong: His modifications to his alien forms makes them more powerful, but Kevin still needs more practice. Likewise with his aliens; they do have additional features and strengths the originals don't but they also come with a drawback of not being that alien. Dark Matter for instance is much stronger than Grey Matter, but it's not quite as smart, and its larger size makes it easier to hit compared to Grey Matter.
Unwitting Pawn: To Vilgax. The dream showing him how to build the Antitrix was sent to him by Vilgax, and Vilgax always intended to take it from him once he escaped the Null Void.
Villains Out Shopping: In "Four By Four" he simply wants to enjoy a good game of Lazer Tag. It takes him a while to convince Ben he is not stalking and planning to attack him for once. This kind of incident happens more often with him in the additionally ordered episodes of Season 3, and a few in Season 4.
Wild Card: He can cause trouble, help to fix trouble, or both in any given order. Ben even lampshades in "Bottomless Ben" it by saying he will never be able to understand Kevin given how much his behavior keeps changing.
Would Hit a Girl: As we see with his fight with Gwen in "Roundabout", he doesn't discriminate by gender when it comes to how ruthless he can be in dealing with his opponents. He also attempts to fight Charmcaster alongside Ben in "What Rhymes with Omnitrix?", but it doesn't go well for them.
You Are Better Than You Think You Are: Gwen and Grandpa Max tell him this in The Movie to convince him to help them.

Bashmouth

"This big guy? I think I'll call him... Bashmouth!"

Voiced by: Greg Cipes

The only alien in the Antitrix that isn't an Evil Twin of one of Ben's aliens, Bashmouth is a werewolf-like creature from an unknown species.

Big Eater/The Snack Is More Interesting: He loves to eat meat: at one point he doesn't finish off a defenseless Ben (his Omnitrix just timed out) because he sees some sausage and runs over to them.
Evil Counterpart: To Rath. They are both aggressive aliens based on an Earth animal who have trouble controlling their instincts. There's also some Animal Jingoism involved, as one of them is canine and the other is feline. Ben even comments on it.
Fangs Are Evil: He has really pointy teeth, and can (at least when they are covered by metal) take a bite out of a concrete pillar as if it was a cookie.
Instant Armor: He can cover his fur and teeth at will with metal that seems to come out from nowhere.
Mythology Gag: His body resembles that of Blitzwolfer from the classic continuity. However, he is not a Loboan like Blitzwolfer.
Our Werewolves Are Different: He is an alien, but looks like a very beefy werewolf.
Shout-Out: His name is a tribute to the band Smash Mouth. The show turns this up to eleven by having Bashmouth's debut episode full of lines from the song "All Star".
Super-Strength: Easily as strong as Four Arms, and can crush concrete pillars with little effort.
Super-Toughness: With his Instant Armor on: to clarify, Four Arms hurt himself by punching it.

The Xerge

https://static.tvtropes.org/pmwiki/pub/images/xerge.png

A Hive Mind invading Earth in the "Ben 10,010" special.

Arc Villain: Of "Ben 10,010".
Expy: Their status as a Hive Mind whose species becomes one of Ben's aliens make them seem to be an adaptation of the Hive from the original continuity.
Hive Mind: The species are a collection of tiny nanomachines that combine together.
Starter Villain: The main antagonists for the first of the Season 5 specials.

Alien X

https://static.tvtropes.org/pmwiki/pub/images/tinction_115.png

"I leave you with your life. Consider it a gift."

^{Click here to see his true identity}

Voiced by: Fred Tatasciore

A mysterious Celestialsapien traveling the multiverse, stealing the Omnitrixes from each one.

Adaptational Villainy: This alien form is used by an evil Ben Tennyson, rather than the current version.
Adaptational Wimp: The original Alien X was able to survive the destruction of the universe, making him Nigh-Invulnerable to almost everything (save for maybe a Chronosapien Time Bomb). This Alien X is defeated by Ben's normal aliens, albeit, from a coordinated effort of several Bens from across the multiverse and loses out in a fistfight to Four Arms. In addition, his reality-warping powers are much more limited than the nigh-omnipotence that the original Alien X had. This might be justified given that Ben gained Alien X by accident upon destroying the Omnitrix symbol in his backstory.
Adapted Out: There is no mention of Serena and Bellicus, with Ben having full control over Alien X. Though, whether they exist or not remains unclear as seen in Ambiguous Sitation below.
Alternate Self: He is another Ben Tennyson. Technically, he is an alternate Ben 10,000 as he is much older than the 10- and 16-year-old Bens he fought, though the diverging point seemed to happen when he was 10. This Ben is an arrogant, selfish Jerkass who went on his path of villainy after losing his Gwen and Max to Vilgax and acquiring his Alien X form not soon after.
Ambiguous Situation:
- Alien X would sometimes refer to himself in first person plural using phrases like "we are infinite" and "now it is our turn", indicating that Serena and Bellicus might exist and is in full agreement with Ben. However, given this version of Ben having obvious mental and emotional instability, it could be a case of him using the Royal "We" to sound more intimidating at times. Furthermore, this Ben gained the Alien X transformation by accident upon destroying the Omnitrix symbol as Four Arms in a possible murder-suicide with Vilgax, and as a result, Alien X lacks the Split Personality handicap like its usual brethren.
- Unlike the classic continuity, this Alien-X lacks most of the omnipotence to its power as a Reality Warper. But whether it's due to Adaptational Wimp or the nature of how Ben got this alien transformation is not clear.
Antagonist Title: The titular antagonist of Alien X-Tinction.
Blaming the Victim: As he reminisces about the loss of his Gwen and Grandpa Max, he claims that their deaths were their own fault for getting in his way of defeating Vilgax, even though that's not it happened. While it would be understandable if he's only saying this out of grief and possible guilt, it's been so long since their deaths that it doesn't faze him anymore.
Big Bad: Of Alien X-Tinction.
Came Back Wrong: It's heavily implied that Ben, in his grief, tried to commit murder-suicide with Vilgax by destroying the Omnitrix symbol and causing a devastating explosion. Only to be resurrected as part of the Omnitrix's defense systems by changing into Alien X, and afterward, he wreaks havoc in the Omniverse by stealing the Omnitrixs of alternative Bens and spreading misery upon them.
Character Exaggeration: Played for Drama. From his arrogance, and selfishness to his belief that he's invincible, he's what would happen if Pre-Character Development Ben never got better. The result is a dimension-hopping, power-mad terror with all the power in the world but none of the maturity of a Ben who grew up to temper it.
Expy: He fills a similar role to Eon in the Classic Continuity, being an evil version of Ben from an alternate timeline, who hunts the various versions of himself throughout the Multiverse.
Fallen Hero: This was once Ben Tennyson before losing those closest to him.
Final Boss: Of the 2016 series original run.
Freudian Excuse: He lost his Gwen and Max to Vilgax, and went on a conquest across the multiverse to give the same grief and pain to his other counterparts.
Hero Killer: He has defeated and killed many different Bens and Omnitrix users.
Knight of Cerebus: One of the few villains of the reboot who isn't treated comically.
Lack of Empathy: Though he was devastated when he lost his family, by the present day, he only speaks of them dismissively, and has no problem killing his alternate selves or their families if it would cause them grief. He is unrepentant for his actions and is annoyed at Maximillian's efforts to habilitate him.
Multiversal Conqueror: He's traveled to at least a dozen universes, the Omnitrixes on his body as proof.
Never My Fault: As shown in the flashback, Gwen and Max lost their lives in trying to save him from Vilgax, yet in his own words they got in the way of a fight he claims he was winning.
Psychopathic Manchild: As revealed near the end, he's an alternate Ben 10,000. But unlike the other adult Ben's, this one never outgrew his childish arrogance and ended up gaining an alien form that held too much power for his level of maturity at the time. Furthermore, his stint as a Multiversal Conqueror is nothing more than an emotionally unstable kid stuck in his grief and trying to resolve it by throwing a massive temper tantrum and forcing every omniversal counterpart of himself to go through the same misery as he did.
Self-Serving Memory: He claims that his Gwen and Max died because they got in his way in a fight against Vilgax that he was winning, though in the flashback it shows that he was getting his butt handed to him and would have lost his Omnitrix if it wasn't for them.
Shapeshifter Mode Lock: It's heavily implied that he stays in his Alien X form for years after the loss of his Gwen and Grandpa Max, and it's only till his defeat that he reverts back to his original human form.
Story-Breaker Power: Duncan Rouleau states that Alien X would appear in the reboot, but sparingly as he's too powerful for the series to use as a character.
Walking Spoiler: It's hard to talk about his true identity as an alternate Ben 10,000 without spoiling the entire movie.
Would Hurt a Child: Given that some of the Bens featured on the alternate Max's computers are still 10, his statement that the current one at least survived means he has no trouble with the age of his victims.

Independent Villains

Maurice and Sydney

https://static.tvtropes.org/pmwiki/pub/images/bugs_5.jpg

Voiced by: John DiMaggio

A scientist who got his head swapped with a flea and vice versa. They generally focus on trying to rob people through science.

Brains and Brawn: Their dynamic with Maurice being the brains and Sydney acting as the brawn.
Creepy Cockroach: A variant and twofold, Maurice has the body of a flea while Sydney's, a flea, head is stuck on Maurice's body.
Dumb Muscle: Sydney on occasion.
Genius Bruiser: Considering that it is Maurice's body Sydney is using to be the muscle, it's safe to say Maurice was this before the head swap.
Goldfish Poop Gang: Their schemes are never very threatening, and they're constantly making extreme blunders.
Hidden Depths: "Half-sies" reveals that Sydney writes romance novels and hopes to get them published.
Mad Scientist: Well considering he got his head switched with a flea. Yeah it's safe to say Maurice is one.
The Unintelligible: Sydney, being a flea, can only communicate in growls and clicks, through oddly Maurice can understand him.

Zombozo

Voiced by: John DiMaggio

Acrofatic: He is clearly overweight, yet he can run and do flips and cartwheels like is nobody's business. He even fought several of Ben's aliens with his acrobatics.
Adaptation Personality Change: He's much more "clown-like" here, reminiscent of The Joker from the Silver Age.
Adaptational Badass: He's a more skilled fighter here than in any other version.
Adaptational Wimp: He isn't remotely supernatural in this show, with his gimmick being hypnotic mind-control technology instead.
Ascended Extra: The original continuity's Zombozo only ever had five appearances (one in the original show, one in Ultimate Alien, and three in Omniverse - with two of those being little more than cameos). This version, by contrast, appears much more regularly.
Bad Boss: He is ever. Not only he is not paying a dime the Circus Freak trio causing them to leave him in "Vote Zombozo", but the same episode also reveals that Acid Breath (a 16 years old in this version) has been reduced to his current look by a disease that Zombozo never bothered to have a doctor check or treat, despite the teen begging him to.
Composite Character: Rather than circus related paranormality, here his main gimmick is hypnotic mind control, much like Sublimino in the first series.
Heel–Face Door-Slam: He actually tries to go straight in "Party Poopers", but Frightwig is having none of it.
Ineffectual Sympathetic Villain: Zombozo isn't very lucky - not only does he always fail, but eventually even his hired hands, the Circus Freak trio, temporarily abandon him, and by "Supervillain Team-Up" he's living as a hobo. It gets so bad that he even tries to go straight as a party clown in "Party Poopers".
Large Ham: He has a very theatrical voice, courtesy of John DiMaggio.
Lazy Bum: In "Welcome to Zombozo-Zone" he hypnotized everybody in a medieval-style fair (including the Tennysons) in believing he was the king. He then proceeds to do basically nothing except stuff his face and take servants, leaving Ben to do all the work with his aliens. He even admitted to Gwen he only wants to be king to "eat, relax and dress fancy".
Monster Clown: Although much less monstrous than in the earlier shows. He fits the bill a little more in "Dreamtime", where he traps the Tennysons in a nightmare they can't escape from where he rules with some Reality Warper powers thanks to a machine he built.
Not-So-Harmless Villain: While he is less dangerous than his OS counterpart, "Dream Time" and "Funhouse" show that he can be an effective threat when he wants to be.
Unwitting Pawn: Frightwig and the othercircus freaks are just using him as a distraction and he has no idea.
Villain Team-Up: Vilgax kidnapped him in "Super Villain Team-Up" to use his hypnotic powers to mind control the army of aliens he wanted to create with Ben's Omnitrix.
Weaksauce Weakness: Not him, but his hypnosis: if a victim sees their own reflection, they immediately break free.

Queen Bee

Voiced by: Vanessa Marshall

An anthropomorphic bee.

Animal Talk: A weird variation. She speaks human but can perfectly understand another bee's buzzing. ^note
Bad Boss: Abandoned her henchman when about to get caught.
Bee People
Drama Queen / It's All About Me: She's vain and self-absorbed, and never misses an occasion to put the spotlight onto herself. Her debut even has her mention she used to take part in a local community theater before turning to a life of crime.
Fat Bitch: Not a nice person, and quite rotund.
King Mook: Is just a regular bee, but bigger.

Hex

https://static.tvtropes.org/pmwiki/pub/images/hex_reboot.png

Voiced by: Robin Atkin Downes

Adaptational Dumbass: He's still as powerful as ever, but now easily duped and frightened.
Adaptation Personality Change: From a ruthless and frightening sorcerer to a hammier, occasionally bumbling wizard.
Arc Villain: Of "Ben Gen 10".
Ascended Extra: All things considered, Hex was one of the lesser foes in the original continuity, whereas he is one of the most frequently recurring in this continuity. Makes sense considering he is largely separated from his more popular niece, Charmcaster.
Belief Makes You Stupid: His justified belief in magic makes him believe anything, even that sleight of hand magic tricks are real magic or that zombie cosplayers are actual zombies.
The Comically Serious: He isn't trying to be funny, but he often can be all the same.
Evil Brit: He has a British accent in this version.
Evil Sorcerer: Like he was in the original series.
Expy: He resembles Jafar in his demeanor and voice more than he does the original Hex.
Large Ham: Despite being equivalent to the original show's Hex, this version is more like Omniverse in his theatrical demeanor.
Really 700 Years Old: "Creature Feature" reveals he has been around for centuries at the very least, and according to Kelly Turnbull, he's over 10,000 years old. He must bathe himself in a special pool of magic light every hundred years in order to survive.
Red and Black and Evil All Over: This is his color scheme once again.
Scaled Up: He turns into a giant snake in "Story, Board".
Ungrateful Bastard: Played with in "Creature Feature" with Hex. Ben saves his life, and he stands down from turning on Ben as a result. But according to him, this is not out of gratitude - one of the laws of his magic is that he must obey a life debt. He insists that next time they meet, the debt will have been paid and he won't hold back.
Unrelated in the Adaptation: Subverted, he didn't appear to be Charmcaster's uncle in this version at first, but "What Rhymes with Omnitrix?" confirms that he is.
- In a less literal sense, he also has little to no connection to Gwen this time around either, being strictly one of Ben's enemies rather than Gwen's initial Arch-Enemy.

Billy Billions

Voiced by: Gunnar Sizemore

Adaptational Attractiveness: Maybe only because of the art style, but Omniverse Billy had an uglier, more crooked face, with a more pronounced horned hairstyle, and a significantly snider face. This one has smoother features and doesn't look any uglier than Ben or Gwen.
Adaptational Name Change: In the Classic Series, his full name is Billiam Billions, while in the Reboot, it's William Theodore Billions.
Adaptational Nice Guy: Make no mistake, he's still a brat, but Omniverse Billy had no redeeming quality whatsoever and was driven primarily by envy toward Ben. This one at least has Hidden Depths and a more sympathetic side.
Age Lift: He actually is a little kid in this show, rather than a teenager trapped in a kid's body like in the original franchise.
Anti-Villain: Of The Woobie variety, as deep down he's lonely and just wants real friends that don't just like him for his money.
Ascended Extra: A minor villain in Omniverse, he becomes part of the Rogues Gallery in the reboot.
Enemy Mine: He's forced to work together with Ben and Gwen in "Don't Laze Me, Bro" when his robots go rogue.
Evil Counterpart: He is more of one to Ben in this version due to them both being the same age and indulging in bratty, selfish or competitive behavior with each other often. Also, his first name starts with a "B" and his last name is numerical. This is especially pronounced in "Ben Again and Again".
Hidden Depths: He acts the way he does because he is convinced nobody would be interested in him if it wasn't for his obscene amount of wealth, and has no idea on how to make friends.
I Just Want to Have Friends: He confesses that he flaunts his money as a way to compensate for his lack of real friends, since he fears nobody would ever be friends with him unless it was to mooch off of his wealth.
Sour Outside, Sad Inside: "Billy Bajillions" explains that his brash personality comes from the fear that nobody would want to be his friend if he wasn't stinking rich.
Spoiled Brat: His entitled, bratty attitude is his defining characteristic.
Troubling Unchildlike Behavior: He will occasionally do things that could possibly kill people. In "Roundabout", he actively tries to murder Phil in order to gain more favor with the Forever Knight.
Yank the Dog's Chain: After he admitted his obnoxious persona is just a mask, Ben and Gwen actually decided to give him a chance to become friends... and then the Forgeti made everybody forget what happened that day.

Steam Smythe

https://static.tvtropes.org/pmwiki/pub/images/steam_7.PNG

"Steam Smythe at your service."

Voiced by: Roger Craig Smith

An old fashioned villain who focused on steampunk.

Alliterative Name: His machines run on steam, and his name is STEAM Smythe.
Born in the Wrong Century: Guy would be at home in the 19th-Century but lives in the modern era. As such, he utterly hates modern technology.
Double Standard: He HATES modern technology, but seeks out the weapons of deceased inventors.
Even Evil Has Standards: He adheres to the principles of chivalry, which means never striking a lady.
Evil Brit: Speaks with a British accent.
Fatal Flaw: His obsession with war machines and the past in general renders him blind to the flaws of his pursuits. His Clocktopus kept having its levers jam and the artifacts he searched for are harmless and useless for combat.
Nostalgia Filter: Stubbornly flaunts the "superiority" of the past over the modern age. He overlooks the fact that all of the famous historical figures whose artifacts he seeks were people considered ahead of their time and responsible for pushing their present into the future and thus would never share his sentiments.
Older Than They Look: In "Bon Voyage" a picture from Grandpa Max's childhood shows someone that looks the same as Steam Smythe does now.
Steampunk: Pretty much all his weapons and gadgets run on steam.

Nanny Nightmare

Voiced by: Anna Vocino

A former bio-chemist obsessed with teaching children proper manners by any means necessary.

Babysitter from Hell: Essentially how she presents herself.
Fat Bitch: Is rather chubby looking.
Fountain of Youth: In her debut, she managed to turn Ben and Gwen into younger versions of themselves via a baby powder.
Hoist by His Own Petard: Hit by her same baby powder which causes her to accelerate in age, turning her elderly. Though she's back to her normal self in her second appearance.
Well-Intentioned Extremist: Wants to teach children good manners, but is utterly aggressive about it that would be no way considered moral.

Tim Buktu

https://static.tvtropes.org/pmwiki/pub/images/villaintime13.png

"It's villain time!"

Voiced by: Travis Willingham

A celebrity hero who was actually setting up the danger he rescued people from, and wants revenge on Ben for exposing this.

Basement-Dweller: Implied in "Savana Sa'bad" where he complains his mother changed the locks, presumably after kicking him out.
Borrowed Catch Phrase: "Borrows" Ben's "It's hero time!" in his debut episode. By the end of the episode, he changes it to "It's villain time!" to mark his change to being a villain.
Crazy-Prepared: To his credit, he is smart enough to carry the cures for his poisons on him in case they are used on him.
Dirty Coward: He likes to act tough, but shows his true cowardly colors when he's put in danger.
Expy: Of Captain Nemesis from the classic continuity. Like Nemesis he’s a Fake Ultimate Hero who makes use of Engineered Heroics to endanger lives, but gets exposed by Ben.
Fake Ultimate Hero: He saves people from disasters that he engineers, all for fame and glory.
Lantern Jaw of Justice: Subverted. Subverted. While he likes to cut heroic poses, and he has a very impressive jawline, he's actually a Dirty Coward who manufactures the disasters he rescues people from.
Large Ham: As is expected of someone voiced by Travis Willingham.
Mind Control: Using a voodoo doll he forced Ben to do his bidding in "Savana Sa'bad", in order to set him up and destroy his reputation as a hero.
Narcissist: He lives by It's All About Me.
Small Name, Big Ego: He sees himself as Ben's Arch-Enemy. Ben doesn't even put him in the top ten.
Ungrateful Bastard: Ben saves his life in his debut episode. Tim still vows revenge on Ben for exposing him as a fraud.
Would Hurt a Child: Apart from his hate of Ben, he tried to drown a boat full of children in "Savana Sa'bad" and give Ben the blame.

Dr. Animo

https://static.tvtropes.org/pmwiki/pub/images/rebootanimo.png

Voiced by: Dwight Schultz

Body Horror: After he injects himself with the alien DNA from the Omnitrix, the various parts of his body starts fluctuating between all Ben's aliens, giving him briefly a look not so different from the original Kevin.
Freudian Excuse: He loved his brilliant veterinarian father and wanted to live up to his legacy.
Friendly Enemy: Surprisingly can be this from time to time - despite his hatred for Ben, he works together with him very well in "Animorphisis", and actually allows Gwen to give him some psychiatric help in "Chicken Nuggets of Wisdom" and even thanks her for it as he's being escorted to prison.
His Own Worst Enemy: During his therapy session with Gwen in "Chicken Nuggets of Wisdom" he considers if the reason he is always explaining his plans out loud is because he deep down wants to be stopped.
Jumping Off the Slippery Slope: His obsessive desire to live up to his father's work caused him to become more amoral and unhinged.
Panthera Awesome: After the Body Horror phase, he transforms into one of Ben's aliens... Rath.
Parental Neglect: He dearly loved his father, but he feels his parents were never proud of him.
Revenge: He hates Ben for destroying his finest creation and swears undying vengeance upon him as a result.
Took a Level in Badass: After transforming into Rath by injecting himself with the stolen alien DNA, he is able to land some blows to Vilgax, and almost kills Ben. Since the effects were similar to Ben changing with the Omnitrix, it only works for a few minutes.
Used to Be a Sweet Kid: He's shown in a photo as a humble science student alongside his father.
Villain Team-Up: With Vigax in "Animorphosis". After getting what he wanted, the alien betrayed him, leading to Animo to ally himself with Ben.

Lord Decibel

Voiced by: David Kaye

A mysterious man wearing a high tech helmet and uses high-frequency music to put people in danger to obtain ransoms.

Badass Normal: Sonic tech aside, he’s still a normal human able to tangle with super-powered aliens.
Evil Sounds Deep: Courtesy of David Kaye who gives him a deep synthetic voice.
Expressive Mask: Not quite, but his dome can display whatever he wants with neon lights, and that sometimes includes the emotion he is clearly feeling.
The Faceless: In all his appearances, his face was constantly covered by his dome.
Greed: The primary motivation for his crimes is money.
Hoist by His Own Petard: He was the only one to be buried by the avalanche he created.
Make Some Noise: His entire gimmick. Lord Decibel can amplify sound to harmful levels, capable of causing fissures, avalanches, and tsunamis. He is also capable of creating sound constructs, or just blasting sound shockwaves as attacks.
Malevolent Masked Man: Wears one with LED lights that express his emotions.
Mêlée à Trois: “Digital Quality” has him, Ben, and Kevin fighting a three-way battle for a CD. Eventually Ben and Kevin join forces against Lord Decibel.
The Music Meister: When his powers are combined with the high quality music of CDs, he can make people involuntarily dance.
Musical Assassin: He hasn't kill anybody yet, but hundreds of people have been threatened by him.
Not Quite Flight: Can use the sonic waves of his instrument to hover.
Only in It for the Money: Pretty much all of his crimes involve threatening the lives of large masses and demanding ransoms.
The Power of Rock: A villainous example: he uses it to take people hostage and demands payments.
Stupid Crooks: Not in the traditional sense (he hasn't been shown to be dumb or ignorant), but he seriously expected people would be able to gather a billion dollars of ransom in ten minutes'.

The Weatherheads

https://static.tvtropes.org/pmwiki/pub/images/roboys.PNG

Voiced by: David Kaye (Shock-O), Jeff Bennett (Hail-O) and Eric Bauza (Gust-O)

The Weatherheads are three robotic businessmen who want to cause chaos with their weather machines.

Aborted Arc: It’s been hinted at several times that they are ordered around by a mysterious council of sorts, and even have a superior named Sunny who appeared in Season 4. However, the arc behind their exact origins is not explored further.
Blatant Lies: In "The 11th Alien": they totally aren't working with Vilgax; it's just a coincidence they are in the same area together: they are on vacation.
The Empath: Ironically in "The Feels" it is revealed they charge their batteries from negative emotions. They plot to disrupt the weather everyone is enjoying to do this. When their thwarted actions inadvertently spark positive feelings instead, they also act positively before shutting down.
Fusion Dance: Can combine their bodies to combine their powers.
Genre Blind: They actually expected Vilgax to give them Earth for their service. Ben had to explain to them how dumb it is. As a result, they attack both Ben and Vilgax.
Hidden Agenda Villain: They are introduced while attempting to start a storm large enough to reach into space. Why isn't elaborated on, only that they have a superior named Sunny, who was only introduced in a later episode.
Tin Man: They have a tendency to remark that they have no emotions, yet it is clear that they are programmed to have them. This can be exploited, as they were tricked by Ben into fighting each other.
I Would Say If I Could Say: In the same breath they express what emotion they are feeling, by denying that they are capable of feeling it.
- This is Lampshaded and subverted in The 11th Alien. Where they start out saying that they would be angry if they had emotions. They stop halfway through and straight up declare that they ARE angry.
Nice Job Fixing It, Villain: By attacking Shock Rock with their lighting bolts they charged Ben with enough energy to defeat Vilgax (bonus points because the conqueror warned them to not do it).
Personality Chip: "Heat of the Moment" shows that they have their emotions connected to a switch hidden under their chest plate. When switched on Gust-O becomes a cap-wearing hothead, Shock-O a campy sweater over the shoulders snarker and Hail-O inconsolably depressed.
Weather Manipulation: They can create storms, lightning, tornadoes and other weather changes over relatively large areas.

La Grange

https://static.tvtropes.org/pmwiki/pub/images/frenchie_4.png

"It's LAGRANGE!"

Voiced by: David Kaye

A racing-themed villain obsessed with being the fastest.

Cheaters Never Prosper: He never won a race on-screen. He was the holder of the record for fastest land vehicle, however.
Cool Car: Drives one that's tricked out with gadgets.
Drives Like Crazy: Drives with no regard for property or safety.
Expy: Of Racer X from Speed Racer.
French Jerk: Speaks in a very heavy French accent.
Kick the Dog/Ungrateful Bastard: In "LaGrange Murraille" he is attacked by Ben during a race against Vin Ethanol, and begs the other racer to help him, reminding Vin how at one point they considered each other family. After Vin helps him, he uses the other racer as a ram against Ben and goes on to win the race.
Only Friend: During "Mock 10", LaGrange admits that, deep down, he considers Vin the only person who, gets him.
The Unpronouncable: No one can pronounce his name correctly, which makes him angry.

Xingo

Voiced by: Tom Kenny

Ben's favorite cartoon character, this fox-like creature was brought to the "real" world by a combination of Upgrade fixing the Rust Bucket television and, of course, lightning. Ben was excited, of course... until he realized Xingo's idea of fun doesn't work well outside his world.

Aesop Amnesia: In his third appearance, it seems Xingo finally understood that the only place for him is his cartoon world, and he will never change the grimy real world to fit his nonsensical taste. Come his fourth appearance, he is now back to be being bratty and psychotic, somehow forgetting his realization, and desires to wreak havoc on humanity once more. To make matters worse, he's still clearly the same Xingo, as he remembers Ben and Gwen.
Affably Evil: When he isn't up to causing havoc, Xingo can be surprisingly sweet. In "And Xingo Was His Name-O", he actually makes a breakfast feast for Gwen and Max.
Blue-and-Orange Morality: It is implied he doesn't quite get all the differences between his world and the real one, mostly how real people don't get Amusing Injuries by being crushed to death.
Expy: He’s basically Daffy Duck with a dash of The Mask and Mr. Mxyzptlk.
Final Boss: He is the protagonist of his video game, but when Ben is trapped in it, he became the last enemy.
Friendly Enemy: He seems to consider his fights with Ben little more than comical skirmishes, at least in his first appearance.For his part, Ben, while he doesn't appreciate Xingo' s attacks on him and his family, still likes his cartoon.
Half-Dressed Cartoon Animal: He wears a sweater, but no pants.
Hammerspace: With him being such a Looney Tunes-inspired character, it's no surprise.
Healing Factor: Neither is this.
Keet: He's bright, colorful, loud and extremely hyperactive.
Laughably Evil: Even though he's an antagonist, he really comes off as more quirky, cute and wild than downright evil. The fact that he's a big-eared fluffy fox in a sweater helps amplify his cuteness.
The Omnipotent: In Ben's world, his Toon Physics grants him a level 2 of this.
Pungeon Master: We would be here all day if we listed all the examples.
Reality Is Out to Lunch: With his powers, he surely gives this impression. According to Ben, his whole video game is based on this premise.
Reality Warper: He can create whatever he wants out of thin air and twist and transform his body as he wishes.
Takes One to Kill One: In his first episode Ben was able to defeat him only because he absorbed part of his Toon Physics when Xingo escaped from Tv.
Toon Physics: He still has them outside his world, making him virtually unstoppable in Ben's. Unless somebody else uses them against him.
Win to Exit: How Ben got free from his video game.

Frightwig

https://static.tvtropes.org/pmwiki/pub/images/screenshot_2018_09_19_215357.png

Voiced by: Jessica DiCicco

In the reboot, Frightwig is introduced as a 10-year old girl who is her own standalone villain, not yet a part of the Circus Freaks (and when she does join up with them, the group itself doesn't last long, at least under Zombozo). Her hair is now a device attached to her head, complete with its own A.I. voice that can talk to her.

Adaptation Personality Change: Frightwig is now a mischievous 10-year-old, much like Ben, except her mischief is criminal, even potentially homicidal. She also has a penchant for science that was not present before.
Age Lift: She was a fully grown adult in the original series, but is 10 years old here.
Ascended Extra: In the previous series, she was more or less just a disposable mook whose only real purpose was to get thrown around by Ben, and with fairly little character. She gets much more emphasis as an independent antagonist in this series, along with a more developed personality and explanation for her hair.
Badass Adorable: Much stronger than her Classic self and far cuter as well.
Combat Tentacles: Her hair still holds this power.
Composite Character: Her name and powers are the same as the original Frightwig, but her being around Ben's age and her dark similarities to him make her more similar to Kevin 11.
Characterization Marches On: Most of her later reboot episodes portray her as a rather stern and no-nonsense crook, a farcry from her much more hammier and sadistic side in her debut, "All Wet."
Didn't Think This Through: In her debut, she decides to flood a water park, and she never thinks to flee before the park was destroyed.
Dude, Where's My Respect?: She doesn't much like being treated as a "rookie" due to her age when she joins the Circus Freak Trio. Then she, like the rest of the trio, gets fed up with Zombozo's Bad Boss nature.
Enfante Terrible: Only 10-years-old and already a master criminal.
Evil Counterpart: To Ben. She's a mischievous 10-year old who gets a powerful device attached to her body (in her case, her hair), but she uses it for evil rather than for good.
Eviler than Thou: Zombozo actually attempts to reform in "Party Poopers", but Frightwig drags him back to a life of crime.
Mad Scientist: Her hair device and A.I. along with conversations she holds with Acid Breath and Thumbskull in "Vote Zombozo" shows that she's obsessed with science and technology to an amoral degree.
Tag Along Kid: She is the youngest of the Circus Freak Trio, being 10 years old, while Acid Breath is a 16 years old teenager and Thumbskull is an adult.
The Rival: To Ben, mainly on her side due to how frustrated she is with him thwarting her plans. Ben just treats her like a nuisance.
Troubling Unchildlike Behavior: Trying to sabotage factories, robbing banks, attempting to blow up a dam, throwing a computer into a swimming pool full of people, attempting to destroy a city...all stuff she does.
Weaksauce Weakness: Her hair is rendered powerless when it gets wet, not to mention she can tangle herself up in it.

Michael Morningstar

https://static.tvtropes.org/pmwiki/pub/images/rebootmorningstar.png

Voiced by: Drake Bell (Season 1), Yuri Lowenthal (Season 2)

In the reboot, Michael Morningstar appears as a teenage movie star playing an Edward Cullen Expy who Gwen has a crush on until it's revealed that he is a real energy vampire who drains the energy given off by fans who adore him.

Actually Not a Vampire: He's a mutant, but he's still close enough to one.
Adaptational Early Appearance: In the first adaptation he didn't debut until Alien Force where Ben and Gwen were 15 years old, while here he shows up while they're still 10 years old.
Adaptational Villainy: He is somehow worse than the original incarnation of the character, having been doing evil for centuries rather than just as a normal teenager, and while the extent of the original Michael's dysfunctional relationship with Charmcaster was simply deceit, this version is emotionally and physically abusive toward her as well. Darkstar was at least willing to team up with Ben fight off the Highbreed invasion, while this version lacks any such moments.
Age Lift: Unlike his teenage Classic counterpart, this Michael is hundreds of years old.
And I Must Scream: Charmcaster traps him in her spellbook as revenge for his abuse towards her.
Asshole Victim: If he did die when Charmcaster's spellbook is destroyed, he thoroughly deserved it.
Bitch in Sheep's Clothing: To Gwen and any of his fans, so that he can absorb their energy.
Deader than Dead: Possibly, as he was turned into energy and trapped inside Charmcaster's book...which was later completely destroyed in "Which Watch".
Domestic Abuse: To Charmcaster in her first appearance. Unlike his Classic incarnation, who was just manipulative and unfaithful, this version is flat-out abusive toward her, frequently yelling at her in order to keep her submissive to him and forcibly taking her power for himself. Thankfully, she ultimately sees the light and gives him his comeuppance.
Energy Absorption: This is once again how his powers work.
Expy: He now has more traits reminiscent of Kevin 11, such as changing appearance after absorbing someone's energy.
Jerkass: Even before he's outed as a villain, he's a jerk to other people due to his fame making him arrogant.
Karma Houdini: In his first appearance, the energy he stole is recovered and he is humiliated, but the heroes are unable to actually charge him with anything so they just leave. After he vows revenge, along comes a fangirl to provide him with fresh new energy...
- That fangirl ended up being Charmcaster, and in his second appearance, she finally gives him what he deserves once she finally realizes that he doesn't care about her.
Light Is Not Good: His debut episode is even titled "Bright Lights, Black Hearts".
Lightning Bruiser: He's very efficient in battle, as Ben finds out the hard way.
Manipulative Bastard: He knows how to use his celebrity status to his advantage.
Really 700 Years Old: He implies that the teen star gig is just his latest scheme for adoration and that he's been at it for hundreds of years.
The Sociopath: He still has no empathy for anyone but himself.
Uncertain Doom: It's unknown if he was still in Charmcaster's spellbook when it's accidentally destroyed by Monster Kevin.

Charmcaster

Voiced by: Tara Strong

Adaptational Badass: Her magic in this series gives her a boost in her physical abilities. In "What Rhymes with Omnitrix?", Ben and Kevin both attack her as Humungousaur and Quad Smack, two large, muscular aliens... and she kicks their asses!
Accidental Hero: She takes away with a spell Kevin in "Which Watch" just as he was about to kill Ben whose watch has timed out. She had no intention of saving him however: she was actually trying to kidnap Ben, wanting to use him against Gwen.
Adaptational Heroism: The original Charmcaster was more than happy to wreak havoc just because she could, committing crimes that had nothing to do with the Tennysons. This version is more reserved and keeps her focus squarely on her rivalry with Gwen. A good example is in "Which Watch", when she informs Ben when he's risking causing an explosion and fire outbreak, and allows him to evacuate civilians from the building. Compare to the original show's "A Change of Face", where Charmcaster outright causes an explosion and fire outbreak in a building full of civilians without remorse.
Adaptation Origin Connection: Rather than being Hex's niece, Charmcaster is now a normal girl who became magical due to buying Hex's spellbook, which only ended up being put on the market thanks to Ben and Gwen defeating Hex in "Freaky Gwen Ben". But as of "What Rhymes with Omnitrix?", it then turned out she is Hex's niece after all.
Age Lift: A mild case, but given her design she seems to be a few years younger than her 15-year-old counterpart from the original show.
Anti-Villain: This version of Charmcaster is a truly sympathetic character from her introduction, particularly due to the new origin she is given.
Arch-Enemy: To Gwen, of course. Her debut episode even ends with Gwen feeling both happy and concerned that she's gained one, and is even titled "Gwen's Arch-enemy" in German.
Be Careful What You Wish For: Charmcaster swaps places with Gwen in "Charm School's Out" in order to ruin Gwen's supposedly perfect life. Grandpa Max ends up making her try to fix an absurdly large and complicated radio, which is such a hassle for her that she re-thinks her view of Gwen's life.
Charmcaster: I cannot believe he'd make Gwen do this!
Berserk Button: Do not call her a nerd, a reminder of what she was before she became a sorceress. Gwen in general is also this for her, since she reminds her of her past self and yet is somehow more successful in life.
Breaking Speech: Gives on to Kevin in "Which Watch", shaking his self-confidence so that he's more liable to join the Forever Knight in the future.
Broken Bird: She had a lonely background, and at the end of her debut it only gets worse as she notes that she's learned that she doesn't need anyone.
Black Magician Girl: And a frighteningly skilled one, at that. Even Ben and Gwen are freaked out by her magic powers.
Casting Gag: Coupled with her new characterization of being more book-loving and prone to stress-induced freak-outs, Tara Strong voicing her makes her come off as a villainous version of Twilight Sparkle.
Demoted to Extra: Classic Charmcaster became one of the most central antagonists in the series, pretty much overshadowing her uncle completely. Here, all things considered, she isn’t quite as prominent, often playing second fiddle to other villains like Kevin or the Forever Knight. Even her iconic rivalry with Gwen is largely one-sided on her part and gradually given less focus this time.
Discard and Draw: After losing her spellbook she gains a rune necklace from her uncle that works differently. She finds she has to read Kevin's poetry which the necklace translates into incantations for spells. At the end of the episode where it appeared she loses even that but still manages to conjure a portal by wishing for it.
Early-Bird Cameo: She turns out to be the fangirl that approached Michael Morningstar in his first appearance.
Easily Forgiven: She put Kevin under her control, gave him a Breaking Speech, and generally caused him a lot of grief in "Which Watch". She gives him even more in "What Rhymes With Omnitrix?". He doesn't bring any of this up at all in "Roundabout" and has no qualms working with her. Even when he stops her from killing the girl he has a crush on, he's more comedically miffed than angry and it's played more as part of their childish Eviler than Thou rivalry.
Eviler than Thou: She and Kevin seem to have a mild rivalry concerning this, with both insisting that they are the more capable villain.
Evil Is Petty: In "Which Watch", her main objective is to destroy a space camp just because Gwen enjoys it so much.
From Nobody to Nightmare: Charmcaster was an awkward, nerdy girl with low self-confidence until she gained magical powers from Hex's spellbook and developing a new, aggressive goth-like appearance and attitude.
Green-Eyed Monster: In "Charm School's Out", she is shown to be envious of Gwen's "perfect life" and swaps places with her in order to ruin it for her, only to find out it's not as perfect as she thought.
Hypocrite: In "Which Watch", she demeans Kevin as thinking he's more important than he is and that without his watch, he's nothing. Says the girl whose whole self-esteem hinges on a book.
I Hate Past Me: She hates Heather, the "weak" nerdy girl she used to be, and the source of her rivalry with Gwen in this version is because she reminds her of her past self and yet somehow is able to one-up her, thus defeating Gwen will be the only way she can prove her reinvention as "Charmcaster" is justified.
Inferiority Superiority Complex: It's an even bigger part of her character in this show than it was in the original, and what drives her rivalry with Gwen.
Jumping Off the Slippery Slope: In "What Rhymes with Omnitrix?", she has become so hateful of Gwen that she actually attempts to harm innocent people in order to get to her, which was something she previously was above doing. Gwen calls her out at the end of the episode by saying that she should know better than to devalue others like playthings, as she knows how that feels.
Mirror Character:
- Her and Kevin's squabbling in "Which Watch" and "What Rhymes with Omnitrix?" highlights their similarities - both arrogant, both immature, obsessed with defeating their Tennyson rival, and both actually feeling like they'd be nothing without a certain item (Kevin's watch and Charmcaster's book and amulet respectively.)
- She and Gwen also qualify, not so much in regards to how Charmcaster is now but to how she used to be, which is what fuels Charmcaster's hatred of Gwen.
Mystical White Hair: She wouldn't be Charmcaster without it.
Mythology Gag: Her real name in this continuity is Heather. In the classic continuity, this is the name Darkstar mistakenly called her when asked if he remembered her true name, which was Hope.
Noble Demon: Has definite shades of this - see Pet the Dog below.
Not-So-Harmless Villain: Despite possessing very powerful magic, Charmcaster doesn't really come off as particularly threatening in her first few appearances. Then she has her spellbook traded out for a magical necklace, which leads to her becoming more ruthless and dangerous of an opponent.
Pet the Dog:
- After trapping Michael in a book, she has an easy opportunity to eliminate Gwen, who is powerless, and Ben, whose Omnitrix has timed out. Instead, she leaves them alone as thanks for saving her from Michael, albeit with the declaration that they will be enemies the next time they meet.
- In "Which Watch", she actually tells Ben about the danger of mixing Stinkfly's goop with Kevin's fire and lets him evacuate the innocent civilians from the building, as she only wants to destroy the Tennysons and not anyone else.
The Rival: To Gwen, as is the norm.
The Smurfette Principle: She's the only girl in the Forever Knight's team in "Roundabout".
Sour Outside, Sad Inside: As hostile and nasty as she behaves, the sense of insecurity and self-loathing she has for her old "weak" self is palpable in everything she does.
That Man Is Dead: After Michael is exposed as not caring about her, he tries to worm his way out of punishment, calling her by her real name of Heather in the process. Her response is an angry "My name...is CHARMCASTER!"
Took a Level in Badass: First when she gains magic powers, and then again when she finally sees Michael for what he is. She takes another one when she trades her damaged book out for a magic rune, which boosts her power and causes her to be more willing to get her own hands dirty as opposed to controlling other things or people to do it for her. By "What Rhymes with Omnitrix?", she puts both Ben and Kevin on the receiving end of a Curb-Stomp Battle with her magic.
Ungrateful Bastard: Played With - she leaves Ben and Gwen alone because she is grateful for Gwen saving her from Michael - but that gratitude is also part of why she declares herself The Rival to Gwen and vows to defeat her if they meet again since it's a reminder of how weak she was in the situation and she can't stand that.
The Unfettered: When she obtains a magic rune necklace, she loses any restraint and uses its magic power with reckless abandon, especially to attempt to eliminate Gwen.
Unrelated in the Adaptation: Subverted, this version of Charmcaster didn't seem to be Hex's niece like the original version, but "What Rhymes with Omnitrix?" confirms that she actually is.
Villains Out Shopping: In "What Rhymes with Omnitrix?", she is attending a poetry reading without any ulterior motives, and only ends up causing trouble when the sight of Gwen triggers her Berserk Button.
What the Hell, Hero?: To Grandpa Max in "Charm School's Out", asking him what kind of grandfather makes a child fix an absurdly complicated RV radio. She sounds legitimately offended on Gwen's behalf.
You Are What You Hate: Gwen calls her out in "What Rhymes with Omnitrix?", saying that she shouldn't let her anger consume her to the point where she's using others as playthings, since she knows how that feels: Michael did it to her. But since this valid point comes from Gwen, Charmcaster ignores it.

Circus Freak Trio

'''Voiced by: Josh Keaton (Acid Breath), John DiMaggio (Thumbskull)

Adaptational Badass: In the Classic Continuity, they were easily kicked around by Ben in every encounter they had. In the Reboot, they are well-coordinated enough to give Four Arms a good fight.
Age Lift: In the reboot, Acid Breath is 16 years old, when he was much older in the original continuity.
Breath Weapon: Acid Breath. As suggested by his name.
Clown Car: They ride in one and also use it to stash any loot they have stolen.
Dumb Muscle: Thumbskull is very strong, but not too bright.
Exactly What It Says on the Tin: Acid Breath is, well, a guy with acid breath. What else?
Ms. Fanservice: Frightwig in Omniverse wears a more revealing jumpsuit that shows off her body.
Punny Name: Thumbskull's name is a play on the insult "numbskull".
Real Men Wear Pink: The reboot episode "Vote Zombozo" shows that Thumbskull was planning to use his part of the loot to go to a spa and have the nail-like crest on his head manicured.
Screw This, I'm Outta Here: After realizing Zombozo wasn't going to pay them squat, they fled to Mexico.
Took a Level in Badass: In the reboot episode "Speechless on the Seine": not in fighting skills (they are already a case of Adaptational Badass), but in position: they are now working with Zombozo, not for him, which means the clown can no longer boss them around.
Villains Out Shopping: The end of "Vote Zombozo" has the three of them chilling out on a beach.
- During the theft they were literally talking to each other how they wanted to spend their share.
- "Speechless on the Seine" reveals that Thumbskull enjoys juggling in his free time.
Weaksauce Weakness: All three of them have one; Acid Breath becomes harmless when something obstructs his mouth, Frightwig can be trapped in her own hair, and Thumbskull is an idiot.

Six Six

Voiced by: Josh Keaton

Adaptational Heroism: In the Reboot, SixSix turns out to have been Good All Along, as he was actually trying to prevent Vilgax's return. However, following appearances averts this, implying he did that because somebody paid him to.
Bounty Hunter: It is his main profession and how he encountered Ben in the first place.
Coat, Hat, Mask: SixSix's introduction in the movie had him wearing a trenchcoat and a hat in addition to his helmet.
Expy: Of Boba Fett from Star Wars. He also bears a few similarities to the Predators/Yautja.
Only in It for the Money: They don't care about the morality of their employers or what they're told to do, as long as they get paid.
Outof Focus: He is depicted as a generally less capable fighter than his hunter associates, and Kraab instead gets more limelight as Tetrax’s rival.
Silent Snarker: If his associates' reactions are anything to go by, SixSix has quite a sharp tongue in his own alien dialect.
The Unintelligible: According to Word of God, the Sotoraggian language is so complex that it cannot be translated with Translator Microbes. For some reason though, some aliens, including Rook, have displayed the ability to understand them.

Kraab

Voiced by: Travis Willingham

An alien Bounty Hunter, first introduced as one of the people sent by Vilgax to get the Omnitrix.

Adaptational Badass: He is actually a pretty formidable opponent in the reboot: he outlasted SixSix in both battles against Shock Rock, takes control when he and SixSix teams up against Tetrax and even gets the drop on him, shattering one of his arms. Tetrax is only saved by Ben's intervention.
Adaptational Heroism: In the Reboot, he turns out to have been Good All Along, as he was actually trying to prevent Vilgax's return. Like SixSix, this was averted in the following episodes.
Giant Enemy Crab: As suggested by his name, he has a distinct crab-like appearance, completed with a pincer.
Light Is Not Good: His armor is golden, but he is far from being a good guy.
Out of Focus: Downplayed. Although he is still used very sparingly across seasons, he manages to have a slightly more prominent role.
The Smart Guy: Of the team he forms with SixSix and Tetrax in the reboot. He insists that he should get a larger share of their pay for this.
Third-Person Person: He does it sometimes in the reboot.
"Kraab will return! Mark Kraab's words!"
Weaksauce Weakness: He can be taken out in a single shot of electricity.

Yawkwawi

Voiced by: Keith David

An evil, magical, talking (and singing) bear who was transformed into a wooden statue. He tricks Ben and Gwen into helping him escape from the valley he is trapped in to get back his powers.

Actor Allusion: Once again, Keith David plays a non-human character who turns into a statue during the day.
Affectionate Nickname: To further convince Ben and Gwen he asks them to call him Yawk, since they "are friends".
Bears Are Bad News: A evil magical bear that tricks Ben and Gwen and tries to eat them.
Combat Pragmatist: Unable to defeat Ben, he tosses Gwen from the promontory they were fighting on, forcing the kid to save her.
Evil All Along: He only pretended to be friendly with the Tennysons cousins to escape and eat them later.
Freudian Slip: He almost blew his cover when he asks Gwen one last flavour... err, he means favour.
Literally Shattered Lives: After falling from the promontory, he turned to wood and crashes. Later Wildvine puts him back together.
"Not So Different" Remark: When Ben doesn't believe that he was turned into a statue by a jealous wizard, Yawk explains that when you are too good, other people want to bring you down, and that someone like Ben (who can turn into powerful aliens) should know what is like. Ben seems to actually ponder it.
Power of the Sun: If the sun rises while he is in the valley, he turns back into wood. If he is out, he regains all of his power.
Red Eyes, Take Warning: When he is almost free, one of his eyes turns red.
Super-Strength: His episode was the debut of Omni-enhanced Four Arms, and the bear managed to hold his own against him.
Villain of the Week: Only appeared in "Mayhem in Mascot".
Villain Song: Once it is revealed he was Evil All Along, "Set Me Free" is definitely this. He even sings a Dark Reprise of it later.
Would Hurt a Child: And then eat them.

King Koil

https://static.tvtropes.org/pmwiki/pub/images/koil.PNG

"What reptile are you?"

^{After powering up from the Sun}

Voiced by: Dee Bradley Baker

A reptilian humanoid, hailing from underground, who wants to rule the surface world as it's king.

Fantastic Racism: He loathes humans. Given his reaction to Grey Matter having gills, he is not fond of aquatic creatures, either.
Healing Factor: He can regenerate lost limbs, much like The Lizard.
Hoist by His Own Petard: Ben uses the rearview mirrors of the Rust Bucked to reflect his hypnosis, forcing him to retreat underground.
Hulk Speak:
King Koil: I turn up sun lamp, get STRONG! Be king of world.
Hypnotic Eyes: He is revealed to have them in his second appearance.
Interspecies Romance: Despite his hatred of humans, he loves Mary Jo Fourfeathers, and wishes to make her his queen. She does not reciprocate.
Logical Weakness: His infrared vision only allows him to see people through their own body heat. This makes Diamondhead, an alien made of cool crystal, invisible to him.
Made a Slave: Animo uses a mind control to force Koil to serve him in "Rekoil".
Multi-Armed and Dangerous: After he is exposed to the Sun dome for enough time, he sprouts four more arms to become a six-armed reptile.
The Power of the Sun: He uses heat from any sun-like environment to make himself more powerful.
We Can Rule Together: He offers this to Mary Jo, wanting her to rule with him as queen. Even though she declines, he promises to come back for her, even leaving her the tiara.

Solar and Polar Twain

https://static.tvtropes.org/pmwiki/pub/images/poles_238.png

Voiced by: Todd Haberkorn (Solar), Tom Kenny (Polar)

A group of twin brothers and criminal scientists.

Bash Brothers: Most of the time, but when they're not...
Cain and Abel: They constantly fight over everything.
Even Bad Men Love Their Mamas: In "Tokyo Fun, Part 2: Slamming It Up", the two devote themselves to claiming medals in the name of their mother, even if it isn't exactly what she wants.
Evil Is Petty: Their whole reason for being evil is because their mother lost out on a gold medal when they were kids. Gwen notes it is a long time to hold a grudge.
Magnetism Manipulation: Their main power.
Palette Swap

Breaker One-Nine

https://static.tvtropes.org/pmwiki/pub/images/breaker_51.png

Voiced by: John DiMaggio

A man working for a mysterious excavation company who is overly-attached to his machinery, dubbed L.I.Z.A.

Badass Normal: Can put up a fight against both Ben and Kevin's aliens, with only his mecha.
Construction Vehicle Rampage: He uses his bulldozer, L.I.Z.A., to cause mayhem.
Hired Guns: Is always under the pay of an unnamed company.
Legalized Evil: In his debut, he brings a permit to legally justify his destruction of the environment.
Transforming Mecha: L.I.Z.A. can morph into a battle mecha.

Characters / Ben 10 (2016) aka: Ben 10 Villains 2016 Series

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Main Characters

Omnitrix Aliens

Used by Ben

Cannonbolt (RE-01)

Diamondhead (RE-04)

Four Arms (RE-02)

Gax (RE-37)

Goop (RE-167-172)

Grey Matter (RE-03)

Heatblast (RE-01)

Humungousaur (RE-82)

Jetray (RE-134)

Overflow (RE-01)

Rath/Ultimate Rath (AF-39, RE-84)

Shock Rock (RE-49)

Slapback (RE-81)

Stinkfly (RE-06)

Surge (RE-173-176)

Upgrade (RE-04)

Way Big RE-167-172)

Wildvine (RE-09)

XLR8 (RE-02)

Others

Ben 10,000

Buzzshock (RE-173-176)

Spidermonkey (RE-173-176)

Gwen 10

Ripjaws (RE-181-184)

Alien Force Ben

Big Chill (RE-181-184)

Chromastone (RE-181-184)

Ultimate Alien Ben

AmpFibian (RE-181-184)

Omniverse Ben

Bloxx (RE-181-184)

Supporting Characters

In General

Maxine

Simon

Ryan

Villains

Arc Villains

Forever Knight

Bashmouth

Independent Villains

Alternative Title(s): Ben 10 Omnitrix Aliens Reboot, Ben 10 Villains 2016 Series

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Characters / Ben 10 (2016)
aka: Ben 10 Villains 2016 Series