Characters / Regular Show Supporting Characters

Index: Main Characters | Supporting Characters | Antagonists

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Other Park Staff

Mr. Maellard

Voiced in English by: David Ogden Stiers

Voiced in Latin American Spanish by: Alejandro Urbán (Season 2), Carlos Hugo Hidalgo (Seasons 3-4), Roberto Mendiola (Seasons 5-8)

Debuted in: Season 2, "Dizzy"

The owner of the park and the father of Pops.

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• Accidental Misnaming: He keeps getting Benson's name wrong by calling him Beancan, Bert, Beanbag, Ball Bucket, Beanton, Bean Teen, and Beanson. By the end of "Benson Be Gone", he finally gets Benson's name correct, which sticks for future appearances.
• Ambiguously Evil: He's shown developing very suspicious plans for the Park throughout the seventh season that ultimately sends the whole thing into space. In the Finale Season, we discover he was Good All Along: he was preparing them to save the universe from Anti-Pops.
• Conspicuous Consumption: When he makes a mess of his limousine's upholstery he just buys a whole new limousine rather than have it cleaned.
• Cool Car: He is driven around in a white limousine called "The White Stallion" that's equipped with machine guns, tire spikes, mini missiles, wheel spikes, grapple guns, lasers, and a massive missile.
• Cool Old Guy: He shows signs of this every once in a while, with him having the same idea as Mordecai and Rigby of eating lunch in his limousine, and wishing to suffer a heart attack and survive on his birthday.
• Distinguished Gentleman's Pipe: Seen with one on occasion
• Hypocrite: He hates paying for damages that happens in the park caused by supernatural mishaps, but when he damages or ruins his own stuff he doesn't care because he's rich and he can always replace it.
• Jerkass: He treats everyone who isn't Pops like crap. Even when he does something good in sending the crew into space to fight Anti-Pops, he tells none of them ahead of time.
• Jerkass Has a Point: In "Lunch Club" he cuts off Benson blaming Rigby for a screwup to put some of the responsibility on Benson himself, as he sees Rigby's incompetence as a result of Benson's methods. He's right on the points that A) Benson's methods are not effective at getting the workers to do their jobs right (his constant yelling and Mordecai and Rigby just makes the two dismissive past a certain point), and B) Benson forced Rigby into working heavy machinery while he was sleepy (Rigby's own fault in this case but Benson did have some warning about it ahead of time).
• Jerk with a Heart of Gold: He does care for his son, Pops, even if he isn't too fond of the other staff.
• Like Father, Like Son: He may be a grump but he's just as scatterbrained as his son and this was before he revealed he adopted Pops.
• Lonely at the Top: Mentions this in one episode when he thinks that his birthday was forgotten.
• Killed Offscreen: He dies in between the crew's return to Earth and the 25 year reunion in the last scene.
• Mean Boss: He is way meaner than Benson. And any problems that occur in the park, thanks to Mordecai and Rigby, he takes his frustration out on Benson.
• Miniature Senior Citizens: He may be a short, elderly man but he's still taller than Rigby.
• Never Got to Say Goodbye: Non-romantic version. He doesn't see his son after he goes to space, which ended with Pops' death.
• Outliving One's Offspring: Mr. Maellard dies many years after his adopted son Pops sacrificed himself to save the universe. In the show's epilogue he's shown quietly grieving during the celebration of the park staff's return.
• Perpetual Frowner: In most appearances, though he can crack a smile.
• Pet the Dog:
  • In his debut, he would mispronounce Benson's name and barely thanks him. But when Benson help saves the park in "Benson Be Gone", he thanks Benson properly and finally gets his name correct.
  • A minor one from "Dizzy," when he congratulates Pops on giving a speech.
  • Another minor one in "The Christmas Special," while he does insult Benson's shirt, he is quick to tell Benson that the Christmas party he threw is good (with even Benson said he'll take that compliment).
  • His tape he made for Pops in "The Ice Tape" He explains he raised Pops as his own after finding him in a crater, trying to raise him normally and, when it was clear Pops couldn't escape his destiny to battle Anti-Pops, did everything he could to prepare Pops for it by sending him into space, with the park crew along to help him.
• Rockers Smash Guitars: He owns a guitar, autographed by a famous rock star, just for this purpose. Mordecai, Rigby, and Benson were left speechless after going through all that trouble to replace the guitar Benson accidentally broke.
• Screw Politeness, I'm a Senior!: He was shown to be quite pleasant in his youth. Now, it's almost the exact opposite.
• "Shaggy Dog" Story: It's pretty much a waste of time trying to replace or fix something owned by him because he'll ruin it, accidentally or purposely, and not care about it because he's rich.
• So Proud of You: In a video tape to Pops explaining Pops' origins, he tells him that's he's always been proud of what he's become. Considering this is the last time Pops will hear from him, that's saying something.
• Visual Pun: He's a sour lollipop.

Thomas (the goat intern)

Thomas/Nikolai

Voiced in English by: Roger Craig Smith

Voiced in Latin American Spanish by: Luis Leonardo Suárez

Debuted in: Season 4, "Exit 9B"

The newest addition to the park, a billy-goat intern.

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• Advertised Extra: Downplayed. Thomas' debut episode strongly implied that he would become a new addition to the main cast, but he only became a supporting character and was eventually Put on a Bus after three seasons.
• Affectionate Gesture to the Head: He is officially welcomed to the park staff with a group petting session.
• Anti-Villain: Even after his reveal as a foreign spy, Thomas admits that he still cares about the friends he made.
• Ascended Extra: Actor example; Roger voiced dozens of minor and incidental characters prior to being added to the roster for good as Thomas.
• Because You Were Nice to Me: Downplayed. While he is aware of how the Park employees could treat him like a Butt-Monkey, he also realizes they were nicer to him than the Russian government. As such, Nikolai betrays the Russian government to help his friends and save the Park.
• Becoming the Mask: He considers the park staff his real friends, even though his work there was only his cover.
• Berserk Button: He doesn't like to be called a mama's boy. Muscle Man learned that the hard way.
• Beneath Notice: Why he poses as an intern.
• Blank Slate: Given he has no specific character role yet, for some fans he tends to fall somewhere between this and The Everyman. Until he's revealed as The Mole.
• Brick Joke: In the third Halloween special, the group have a story-telling contest where the loser has to wear their Halloween costume until Thanksgiving. He winds up losing and from that episode onward he's stuck in his pizza costume until the Thanksgiving special where he's finally allowed to take it off (and is in desperate need of a shower).
• The Bus Came Back:
  • As a cameo, but he can be seen in disguise in the crowd during the reception in "Dumped at the Altar."
  • He makes another cameo in "Terror Tales of the Park V" disguised as a ninja.
  • Ultimately, he returns in "Guys Night II" to spend time with his park friends for the final time. This was his final speaking appearance in the show, but he would make one more cameo at the end of "Rigby's Graduation Day Special".
• But Now I Must Go: After revealing he's a Russian spy, Benson offers him to stay at the park, but he declines since he'll be hunted down after betraying both the U.S and Russia and decides to go on the run.
• Butt-Monkey: Mainly in "Starter Pack" and "The Christmas Special".
• Chick Magnet: Surprisingly, in "New Year's Kiss", he is seen dancing with three girls at the same time. In "I Like You Hi", he mentions that he has at least four girlfriends.
• Cloudcuckoolander: Shows a tiny bit of this in "Journey to the Bottom of the Crash Pit". He works the camera/video booth at the park, but says he "knows a guy" at the climbing equipment booth. "The guy" is still Thomas with a ballcap on, having walked a couple feet to the other booth.
  • In "Return of Mordecai and the Rigbys", when Mordecai and Rigby can't think of anything for Thomas to do, he decides to be their mean British manager because every band has one.
  • In "I Like You Hi", when Mordecai asks for advice from a panel of his co-workers for his problem, Thomas just names off some of his girlfriends' music preference and tells him to try it. Mordecai wonders why he's even in this panel.
• Dark and Troubled Past: He was an abandoned child trained by the Russian government to be a ruthless spy.
• Defector from Commie Land: He defects when it's revealed to him that his mission is supposed to destroy the United States, in addition to killing or enslaving the park staff.
• The Dog Bites Back: In "Exit 9B", he gets fed up with how G.B.F. Jr. treats him so he threw iced coffee in his face before he is kicked off the freeway ramp. But then he is saved and he signs the document to save the park which foils G.B.F. Jr. plans.
• The Drag-Along: Not always eager to be involved in the Park Crew's craziness. Such as saving Muscle Man's trailer, or fighting a rival park crew for a coffee mug.
• Four-Temperament Ensemble: The Leukine - Pretty much The Generic Guy, until it's revealed that he is a spy.
• Funny Animal: He's a goat who wears clothes.
• Going Commando: Decides to do so to avoid getting wedgie'd by Muscle Man again.
• Green Rooming: After his two introduction episodes at the start of season four, he ended up not appearing in any episode in a meaningful role (besides the Christmas special) until much later in "Cool Cubed", although a good chunk of that time is spent frozen.
• Heel–Face Turn: After being revealed to be a Russian spy, he turns against Natalia and in effect Russia after she tried to enslave, and then kill the park crew, his true and only friends.
• Initiation Ceremony: Mercilessly pranked as part of his hazing in the episode after he is introduced, by Muscle Man in particular. And even when he and Muscle Man prank Mordecai and Rigby, Muscle Man ends up destroying Thomas' car, which wasn't exactly part of the prank itself. Thomas gets screwed either way.
• The Intern: Thomas is interning at the park as part of his college course. Or that's what he wants you to believe.
• Literal Metaphor: He always gets blamed for everything. He's a scapegoat.
• The Mole: He's an orphan raised by the KGB and sent to the park to study it.
• Named After Somebody Famous: A guy named Nikolai operating under the codename Thomas? Shocking.
• One-Steve Limit: Subverted, as Thomas (the goat intern) shares the same name with Thomas (the son of Death), which was lampshaded once. Double subverted, as the former's real name is Nikolai.
• Only Sane Man: Only guy who routinely questions the bizarre antics the park crew get into.
• Out of Focus: HOO BOY. you thought Hi-Five Ghost was out of focus in the first two seasons? Thomas makes pre-Season 3 Fives look like a main character. Thomas is well known for just not having a lot of episodes that just don't focus on him, have him appear or both (in fact in Season 4, he appeared for only a fourth of the season). Though this is understandable due to a few things:
  • 1. The show's creator J.G. Quintel states this is because "no one ever hangs out with the intern".
  • 2. He is shown during his time on the show that he didn't want nothing to do with the Park Gang's shenanigans.
  • 3. In "The Real Thomas", it explains all the reasons why when he was revealed to be a Russian spy, and spies are known to act and do nothing interesting in order to blend in and not draw attention to them.
• Put on a Bus: He leaves the park in "The Real Thomas" due to being a rogue secret agent who is now a fugitive of both America and Russia. He crops up again every now and then afterwards, but made his final appearance at the end of "Rigby's Graduation Day Special", where he sees the Park taking off into space.
• Phrase Catcher: The rest of the park staff tend to angrily shout "Thomas!" whenever Thomas tries to get out of whatever crazy event they've gotten themselves into this week.
• Sixth Ranger: Once he has joined the other people in the park. Actually a Sixth Ranger Traitor.
• The Power of Friendship: He defects from Russia thanks to the park staff, whom he now sees as his only friends.
• Took a Level in Badass: Who knew Thomas was strong enough to put Muscle Man in an arm bar in "Thomas Fights Back"? He also helps the group by pulling off a brilliant gambit as an undercover intern at the opposite park.
  • Turns out these awesome abilities are thanks to the training he had to become a KGB agent.
• Walking Spoiler: The more said about him besides being an intern, the more of a spoiler he is.
• Wham Line: (In his native accent) "I am Russian spy."
• You Said You Would Let Them Go: He's genuinely shocked that Natalia tries to have the park crew killed after finishing their mission.

Love Interests (Mordecai's Girlfriends)

Margaret Smith

Voiced in English by: Janie Haddad

Voiced in Latin American Spanish by: Dulce Guerrero (Seasons 1-most of 2), Circe Luna (rest of Season 2-8)

Debuted in: Season 1, "Caffeinated Concert Tickets"

A red-breasted robin who used to work at the Coffee Shop. Mordecai has a crush on her.

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• Affectionate Nickname: "Hug bug" from her father.
• All Girls Want Bad Boys: The only time Margaret has shown to have an interest in Mordecai was when he "blew her off" (Mordecai at the time was suffering a Heroic BSoD from seeing Pops naked). Eventually inverted around Season 3.
• Amicable Exes: Zigzagged with Mordecai. When they broke up with her returning and him being with CJ, it is awkward, as Mordecai has complicated feelings over seeing her again while being in an official relationship. Things gets more messier after they share a kiss. And while they have no ill will for one another, Mordecai's awkward nature initially causes some problems, but they manage to work it out. Unlike CJ, the writers confirmed she and Mordecai are still friends in the future.
• Barefoot Cartoon Animal: In most episodes, though in some she does wear shoes.
• Better as Friends: She and Mordecai eventually agree this in "Just Friends" and remain this way for the rest of the series.
• Betty and Veronica: The girlish, calm "Betty" to CJ's tomboyish, hot-headed "Veronica" for Mordecai's "Archie". At first, Mordecai is with Margaret but they break up because she got into her dream school and he eventually starts a relationship with CJ. Although, due to Mordecai mixed signals which included him kissing Margaret despite being in a relationship with CJ has led to her getting hurt over and over again. Finally, when he attempts to make a Love Confession to CJ or Margaret at Muscle Man and Starla's wedding, they both decide to break up. And in regards to Margaret, both amicably agree they are Better as Friends.
• Beware the Nice Ones: When she gets ticked off, she's surprisingly scary.
• Black Comedy: If her story in "Terror Tales of the Park II" is any indication, she's got a messed up sense of humor.
• Brainless Beauty: Had tendencies of this in early seasons, but has developed to be a little smarter and more reasonable. And she did get into college. So there's some modicum of smartness up there.
• The Bus Came Back: At the end of "Eileen Flat Screen".
• Characterization Marches On: Margaret was a Flat Character compared to the other recurring cast, that is until "Do Me a Solid" where she's revealed to be a down-to-earth character (the unusual circumstances don't faze her nearly as much as one would).
• Daddy's Girl: She is very close with her father, who calls her his "hug bug", and her password for her phone is the trope name.
  • She also mentioned once that she used to play a lot of mini-golf with her dad.
  • Made canon in Family BBQ.
• Damsel in Distress: In the Cartoon Network RS game, Fist Punch, where The Night Owl kidnaps her and Mordecai and Rigby has to save her.
• Distaff Counterpart: To Mordecai. They were quite clearly designed to complement each other.
• Dude Magnet:
  • For over half the series, Mordecai has an intense, barely hidden crush on her.
  • Prior to dating Mordecai, Margaret had three boyfriends.
  • Possibly during one of his break-ups with Starla, Muscle Man was checking out Margaret when he saw her run by the park.
  • The God of Basketball referred to her as a "hot chick", and even Rigby, who has no romantic interest in her, described her as "kinda hot" in his script in "Not Great Double Date."
• Feather Fingers: She's a bird with wings, and she uses her wing feathers for fingers after all.
• Fiery Redhead: Downplayed. Margaret is a red robin and can be short tempered, but most of the time, it's justified and she's usually mellow.
• First Love: To Mordecai before he moves on to C.J. But by the series finale, he has gotten with neither one, marrying a bat woman, named Stef.
• Funny Animal: She's a bird that wears clothes after all.
• Fountain of Youth: In 25 Years Later, it's revealed that Margaret was de-aged back into her 20s after finding a cursed mirror in a truck stop bathroom. Unlike Mordecai and Rigby, she's content with staying young since it effectively extends both her lifespan and her career.
• Gender Equals Breed: Her mother is a robin, like herself and her father is a human.
• Graceful Ladies Like Purple: She occasionally wears purple clothing. She wore a short sleeved dress in "The Longest Weekend" when she went to the movies with her friends. In "Family BBQ" she wore a fancy sleeveless dress during the BBQ when she introduced Mordecai to her folks, and later wears a purple bikini. In "Steak Me Amadeus", she wore a strapless dress with matching high heels. She also wore a casual purple skirt with her shirt and pants at the end of "Carter and Briggs" and in "Picking with Margaret".
• Hairstyle Inertia: In all the photos/cameos we’ve seen of her as a kid/teenager, her hairstyle has remained exactly the same.
• Half-Human Hybrid: Her mother is a robin like her, but her father is a human.
• Informed Species: Margaret is supposedly a robin, but has a coloration and crest of a male cardinal. She looks like a red jay or even an pileated woodpecker.
• Interspecies Romance:
  • Her (a robin) and Mordecai (a blue jay).
  • Three of her boyfriends so far have been humans (one of which was apparently a giant), and she almost went on a date with Rigby in an alternate timeline.
• Intrepid Reporter: In the episode, "Local News Legend", where she does her best to try and get her own segment.
• I Want My Beloved to Be Happy : In "Merry Christmas Mordecai", and "Sad Sax", she accepted that Mordecai was seeing somebody else and wants to still be friends with him.
• Lethal Chef: In "Pie Contest", she made a pie that not only looked disgusting but according to Mordecai it was burned and raw at the same time and it tasted like barf.
• Limited Wardrobe: Exceptions version. Outside of her job at the Coffee Shop, she and Eileen have a good set of wardrobes. Her most common outfit is a yellow or teal shirt with blue jeans, although she has worn other outfits, usually in yellow, blue, teal and occasionally purple.
• Masculine Lines, Feminine Curves: Downplayed with Mordecai. They are both drawn almost the same way, but the feather patterns on their respective faces play this trope straight — Mordecai's are more sharp while Margaret's is more rounded.
• Ms. Fanservice: She tends to dress rather provocatively especially in the first few seasons. In "Slam Dunk" we get a close up of her butt.
• My Girl Is a Slut: Played straight. In Seasons 1 and 2 Margaret is shown or is mentioned to be dating a new guy almost every episode she appears in. In Season 3 however she mentions she's taking a break from dating because "guys are jerks".
• My God, What Have I Done?: In "Merry Christmas Mordecai", she accidentally kisses Mordecai when he's already with CJ, and she seem to have feel ashamed when CJ saw the scene.
• Nice Girl: She's really friendly most of the time.
• Nightmare Fetishist:
  • In the second "Terror Tales From The Park" Halloween special, she thinks her story about a party bus that ages its riders into dust is 'funny', even though it wasn't.
  • The reason she told it in the first place was because she thought it would cheer up a terrified Pops. Obviously It didn't work.
• Non-Mammal Mammaries: "Lady pecs", in Mordecai's words. She even gets to show a little sideboob in the concert episode, and cleavage in others.
• Official Couple: With Mordecai as of "Meteor Moves", but the relationship didn't last too long, once she got accepted into college out of town, and it's been declared dead in "1000th Chopper Flight Party" when she tells C.J. and Mordecai that she has a new boyfriend (which turns out to be false as seen in "Not Great Double Date"). By "Just Friends", even after seeing a potential happy future they could have together, both he and Margaret decide they work Better as Friends.
• Pink Girl, Blue Boy: The Pink Girl to Mordecai's Blue Boy. Technically, she's bright red, but it looks pink due to color saturation from digital ink and paint.
• Pink Means Feminine: She doesn't wear pink much, but in "Pie Contest" she wore a pink apron and in Family BBQ, in her picture with her father, she wore a pink high school prom dress, and as a child, wore a pink-purple short sleeved dress. This may have been to represent her 'Daddy's girl' theme. She also has a pink sweater in "Laundry Woes"..but we never see her wear it.
• Put on a Bus: In the season 4 finale, after she was accepted in her dream college. She came back in season 6 which added some tension for Mordecai's relationship to C.J. Ultimately, despite some lingering interest with Mordecai, she doesn't pursue it. Her relevance is quickly dropped after that and the last seen of her is at the beginning of season 8 reporting on the Park Dome's ascension into space. She does make a cameo in the finale when the Park Dome ultimately returns, though.
• Red Is Heroic: Margaret has red feathers and is one of the nicest characters in the series. And whenever there's action involved, she's always on the side of good.
• Relationship Upgrade: Becomes a couple with Mordecai after sharing a kiss in "Meteor Moves", but break-up after Margaret gets into her dream school and decide to just be friends from the on.
• Satellite Love Interest: In the entire first season not much is known about Margaret, except she's nice and has a good set of lady pecs. Justified in that Mordecai himself can't seem to get past his shyness and learn more about her besides how attracted he is to her. (Note that he's always completely surprised about her boyfriends and entertainment preferences.) She's developed a bit more beyond the first season, however.
• Seashell Bra: During Mordecai's dream sequence in the episode "Meat Your Maker", he envisions Margaret wearing one that just barely covers her lady pecs.
• Shipper on Deck: She encourages Eileen's crush on Rigby.
• The Smurfette Principle: In the entire first season, she was in only four episodes (one of which was only via dream sequence) and had less than three minutes' screen time combined. However, she's gotten a lot more screen time in season 2.
• Strong Family Resemblance: When her mother is first shown, she looks exactly like Margaret with slightly more unsettled feathers and wrinkles.
• Toothy Bird: Like Mordecai, she has teeth in her beak.
• Town Girls: The giggly, somewhat demure Femme to CJ's aggressive, competitive Butch and Eileen's bookish, nerdy Neither.
• True Blue Femininity: One of her reoccurring outfits is a light blue shirt sleeved shirt with blue jeans. She also wears a blue skirt in "Ace Balthazar Lives". While on the job as a news reporter she wears a dark blue suit, sometimes with the jacket paired with a purple skirt. In "Merry Christmas Mordecai", she wore a blue sweater with matching shoes.
• Tsundere: Her interest in Mordecai tends to fluctuate until mid-Season 4.
• Uncanny Family Resemblance: Margaret's numerous aunts, uncles, cousins, and grandparents all bare a strong resemblance to her.
• What Does She See in Him?: All of the men she seems to date are obnoxious jerks, who seem to irritate her. Except for Rigby in "It's Time", whom she really seemed to hit it off with.
  Margaret: Ugh, what boyfriend? I'm not seeing anyone right now. Guys are jerks.
  Mordecai: Gah, I know, right? Guys are the worst! (Flashes Rigby a silent "OOOOOOOOH!")
  • This extends even to Mordecai, because even though he's a Nice Guy, he is also an admitted slacker who doesn't seem at all interested in improving his life and has stated that he doesn't see himself working anywhere except the park, where as Margaret at least has her priorities concerning her future in order.

Cloudy Jay "CJ"

Voiced in English by: Linda Cardellini

Voiced in Latin American Spanish by: Elsa Covián

Debuted in: Season 3, "Yes Dude Yes"

A cloud girl who Mordecai goes on a blind date with after thinking Margaret was engaged and befriends as a result.

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• Action Girl:
  • In "Dodge This". Despite her team being rookies, they make it all the way to the finals of the dodgeball tournament and end up winning the whole thing. She even beats Mordecai, the park's best player, one on one after they work things out.
  • She even saved him and Rigby, with Eileen's help, in "Portable Toilet".
• Amicable Exes: Averted with Mordecai. While they ended their relationship on amicable terms, even hugging one another, CJ is (understandably) a little frosty to Mordecai and the creators confirmed they no longer speak with each other post-breakup.
• Ascended Extra: Started out as a one shot character, later returns as a recurring cast member... only to come full circle and be Demoted to Extra.
• Big Damn Kiss:
  • With Mordecai in "New Years Kiss", albeit unknowingly as she couldn't tell it was him until they dropped their disguises.
  • Done again at the end of "Real Date", except this time, they're a couple.
• Betty and Veronica: The tomboyish, hot-headed "Veronica" to Margaret's girlish, calm "Betty" for Mordecai's "Archie". At first, Mordecai is with Margaret but they break up because she got into her dream school and he eventually starts a relationship with CJ. Although, due to Mordecai mixed signals which included him kissing Margaret despite being in a relationship with CJ has led to her getting hurt over and over again. Finally, when he attempts to make a Love Confession to CJ or Margaret at Muscle Man and Starla's wedding, they both decide to break up. And in regards to Margaret, both amicably agree they are Better as Friends.
• Beware the Nice Ones: Went berserk when Mordecai chose Margaret over her but only because she thought Mordecai and her were dating.
• Birds of a Feather: With Mordecai. They both like rock bands, playing video games, goofing off, etc.
• Bizarre Alien Biology: She can turn into a living storm.
  • Blow You Away: Powerful gusts of wind accompany her in this form.
  • Shock and Awe: She can send lightning strikes as a personified rainstorm.
• Boots of Toughness: She's tough, spunky, competitive, and she wears black boots with her regular attire.
• Company Cross References: She is essentially the regular version of Flame Princess from Adventure Time as they are both Mordecai and Finn's replacement girlfriends after Margaret and Princess Bubblegum rejected them. just like Flame Princess, she is sweet but you don't want to make her mad because she has a frightning temper.
• Character Development: Subtle, but CJ does get a better hold of her temper. In "Yes Dude Yes", she becomes completely furious at Mordecai for perceiving him accidentally asking out Margaret as a sign of him playing with her feelings. She does it again in "The 1000th Chopper Party", but is ashamed of how she almost killed Margaret's parents as a result of thinking Mordecai and Margaret were together. And when she learns that Margaret does still have feelings for Mordecai, she gets angry and stays so, but she manages to calm herself down enough to avoid doing any damage.
• Cumulonemesis: She's a talking, sapient cloud. Although she's cool and friendly most of the time, her temper literally kicks up a storm for anyone unfortunate enough to anger her.
• A Day in the Limelight: She gets her own episode in "Daddy Issues".
• Demoted to Extra: After she breaks up with the Mordecai the show pretty much forgets about her save for a cameo here and there.
• Embarrassing Last Name: Subverted in "Daddy Issues" when she revealed that her father is Carl Putter, a mini-golf champion. Rigby asked if her last name is "Putter" but she tells him that's her father's mini-golf name.
• Fatal Flaw: CJ has two:
  • Jealousy. Her problems with Margaret come from the fact that she honestly doesn't trust her around Mordecai and thinks that he still has feelings for her. She is pretty bad at keeping a clear head when she sees the two of them together and ultimately leads to her nearly getting them killed because of a genuinely innocent incident.
  • Hair-Trigger Temper. CJ has a really bad habit of allowing her temper to get the best of her and jumping to conclusions instead of thinking things out rationally. Coupled with her aforementioned jealousy issues, this leads to a danger combo. In her final major appearance in the series, she preemptively breaks things off with Mordecai because she assumed that he would choose Margaret over her.
• Foil To Margaret. Both are Mordecai's main love interests who he later gets into a complicated Love Triangle with. Margaret was Mordecai's girlfriend with both being the same species, a girly girl and Daddy's Girl, and Mordecai didn't have the nerve to ask her out because of his own fears; CJ is Mordecai's second girlfriend but they're both different species, she has a rocky relationship with her father, and Mordecai was reluctant to start a romance with her because he was somewhat hoping Margaret would come back. For their breakups and being Just Friends — Mordecai always hoped to date Margaret and they did, but changing priorities (i.e., Margaret's college acceptance) had them break up but agree to a friendship; Mordecai tried to be friends with CJ but realized his feelings for her after "I Like You, Hi", and then they stared dating but break-up because of the confusing Love Triangle and Mordecai being a Master of the Mixed Message. The creators confirmed that while Mordecai and Margaret are still friends after the 25 year timeskip, he and CJ aren't.
• Gamer Chick: Just like Mordecai, she's pretty good at playing video games. She even managed to make the top high score three times on the same arcade game.
• Goth: In "Real Date", there's an old picture of her in her Couple Corral profile (a dating site) when she was going through a Goth phase.
• Heterosexual Life-Partners: Takes Margaret's place as Eileen's until Margaret returns to town.
• High-Pressure Emotion: Because she's a cloud, when she gets angry or upset she turns grey.
• Hulking Out: She turns into a giant stormy cloud (shaped like an actual cloud rather than her human-like shape) and causes an actual storm when she's upset at Mordecai.
• Insecure Love Interest: A large part of the reason why her and Mordecai have relationship troubles is that despite Mordecai constantly trying to prove his dedication to her she is afraid that he still has feelings for Margaret and when seeing the two together she tends to jump to conclusions. Comes to a head in "1000th Chopper Flight Party" when she sees the two of them together because of circumstances she wasn't aware of. She instantly flies off the handle and goes storm cloud on them, nearly killing Margaret's parents.
• Interspecies Romance: Her (a cloud humanoid) and Mordecai (a blue jay).
• Irrational Hatred: By late Season 6 and early Season 7, she starts to develop this of Margaret, due to her jealousy of her and Mordecai, to a point when she caught a glimpse of Margaret on television in "Local News Legend," she quickly changes the channel out of spite.
• Just Friends: In "Dodge This", Mordecai and CJ both agreed to start over as friends. "Portable Toilet" makes it rather obvious they have feelings for each other. Eventually blown to all hell in "I Like You Hi".
• Limited Wardrobe: While Margaret and Eileen have their own set of wardrobes, CJ always wear a stripe sleeveless shirt, brown shorts and black boots. She dose wear other outfits, but they were for occasions or when they were convenient for the plot. In "Sad Sax", due to winter, she did wear a blue jacket...with shorts. And later in the episode, she did wear warm pants and different shoes...with her sleeveless stripe shirt.
• Love Hurts: Mordecai honestly hurts her by choosing Margaret over her.
• Love Interest: CJ becomes Mordecai's second love interest after his break up with Margaret.
• Manic Pixie Dream Girl: Downplayed. She brings Mordecai out of a funk after he thinks Margaret is engaged, but doesn't really change him in any way. Played straight in "I Like You Hi", she both helps him move on from Margaret for good and gets him out of his habit of never making a move.
• My God, What Have I Done?: When she attacks Margaret's father's chopper, thinking Mordecai has betrayed her again, she nearly kills Margaret's parents and doesn't realize it until Margaret tells C.J. that she's not getting back together with Mordecai because she already has a boyfriend and they really are Just Friends. The episode ends with C.J. crying and running off over her destructive antics.
• Nice Girl: When she first meets Mordecai, she understands that he's not interested in dating at the moment so she hangs out with him to cheer him up. Reinforced when it turns out she was avoiding Mordecai not because she was mad at him for kissing her but because she thought HE was mad at her for running out on him.
  • Also in "Sad Sax", when she was angry with Mordecai about the whole kissing Margaret thing, she didn't take it out on Eileen and Rigby, and still hang out with them.
• Not So Above It All: While normally a Nice Girl she is typically very frosty towards Margaret because of the kiss she shared with Mordecai. While she has forgiven Mordecai for this she seems to see it as evidence that she can't trust Margaret to be around him and as such doesn't want to be around her.
• Obliquely Obfuscated Occupation: We don't know exactly what her job is. In "I Like You Hi", she said that she can watch TV at her job and nothing more came of it. In the Season 7 finale, she is seen working as a tour guide for children, but it's unknown if that's her actual job, she got a new job, or if she was just volunteering.
• Only Known by Initials: Her screen name is Cloudy Jay. Or Cloudy Jane . . .
• Paper-Thin Disguise: Apparently neither Mordecai nor Rigby could tell it was her at the New Year's party despite just having simple mask over her eyes. Then again neither could she since Mordecai was wearing the same thing.
• Pink Means Feminine: She's tomboyish, but in "Real Date", she did choose to wear a pink sweater to go with her red dress. In "Daddy Issues", she wore a pink short-sleeve shirt with her overalls when she was younger, and she also wore a pink skirt for the mini golf tournament . These three examples go with Tomboy with a Girly Streak.
• Put on a Bus: Introduced in Season 3 but seems to disappear without a trace, generally believed that she was just a one shot character. That is until Season 5. But then she makes her swan song in "Dumped at the Altar" (excluding her cameo in Season 7). By Season 8, CJ is all, but forgotten.
• Red Eyes, Take Warning: Her eyes start growing red when she transforms into a storm in "Real Date".
• Relationship Upgrade: Agrees to go out with Mordecai in "I Like You Hi". But their relationship officially ends in "Dumped at the Altar.
• Romantic False Lead: To Margaret, though to the show's credit, while it was obvious that Margaret really hadn't gotten engaged, she was set up. Subverted now that Margaret's gone.
• Second Love: To Mordecai.
• Shapeshifting Excludes Clothing: When she goes storm cloud she leaves her clothes on the ground and goes back into them when she calms down.
• She Cleans Up Nicely: In "Real Date", she wore a red dress with matching flats and a pink sweater.
• Single Woman Seeks Good Man: She considers Mordecai a nice guy and gets upset with him when she believes he's acting like a jerk.
• Stealth Pun: CJ is a humanoid cloud girl who, while normally sweet and friendly, has an extremely violent temper that turns her into a huge, raging storm cloud when provoked. In other words, she's a fair-weather friend.
• Story-Breaker Power: She transforms into a full-fledged thunderstorm when upset. If Mordecai had stayed on good terms with her, he might've had an easier time dealing with the various menaces who regularly threaten him and his friends. Although this only seems to happen when CJ's significantly angry, and it's unlikely even she would've stood a chance against Anti-Pops.
• Tank-Top Tomboy: Along with her boots and short shorts, her main attire is her striped tank-top to match her tomboyish personality.
• Tomboyish Name: Her name is Cloudy Jay (or Cloudy Jane), but she goes by CJ.
• Tomboyish Ponytail: She has a fluffy cloud ponytail.
• Took a Level in Jerkass:
  • In "Dumped at the Altar," just after Mordecai makes a speech and is about to express his feelings towards CJ, CJ does not give Mordecai a chance and dumps him on the spot, expecting the worst that he could be talking about Margaret.
  • Her appearances in the next season also invoke this trope, such as one cameo where she quickly changes the channel upon seeing Margaret on TV. While it didn't happen onscreen, her final cameo in "Rigby's Graduation Day Special" was apparently supposed to have her rolling her eyes upon seeing the park blasting off into space.
• Town Girls: The aggressive, competitive Butch to Margaret's giggly, somewhat demure Femme and Eileen's bookish, nerdy Neither.
• Violently Protective Girlfriend: In "Real Date", the C.E.O. of Couple Corral learned too late why you should never hurt Mordecai.
• Walking Spoiler: Her relationship with Mordecai, since it directly spoils Margaret's exit.
• "Well Done, Daughter!" Girl: CJ never got any respect from her dad, especially when it's involving mini-golf. The two of them make peace after CJ finally beats him.
• What Happened to the Mouse?: Last seen in "Rigby's Graduation Special" as a tour guide with a group of kids and looking on horrified when the Park Dome blasts off into space with the park crew (and Eileen) in it. She never makes an appearance after that. Even in the finale, when the dome returns back to Earth and many of the crew's families come to greet them. The most we get is an abstract painting that Mordecai makes of her in the ending montage. According to the creators, CJ went on to become a professional dodgeball player and doesn't keep in contact with Mordecai, Rigby, Eileen, or Margaret.
• You Wouldn't Like Me When I'm Angry!: Get her miffed enough and she'll turned into a real storm cloud that can reek some serious havoc.

Final Episode Character

Stef

Voiced by: N/A

Debuted in: Season 8, "A Regular Epic Final Battle"

An artist and Mordecai's future wife.

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• All There in the Manual: Her name was revealed from the creators on an AMA reddit page.
• Babies Ever After: Had two sons and one daughter with Mordecai.
• Clingy Jealous Girl: Slightly in the "25 Years Later" comic, but justified as Mordecai and she are married and seeing him aged down back to his 20s (Long story) and hanging with a likewise de-aged Margret didn't help matters. Mordecai assures her however any feelings for Margret are long by the wayside and he would never betray her.
• Happily Married: With Mordecai, given how they're seen in the 25 years park reunion, Mordecai finally found the one.
• Interspecies Romance: Her (a bat) and Mordecai (a blue jay).
• Last Episode, New Character: Her debut is in the show's Grand Finale, where she becomes Mordecai's new love interest.
• Last Girl Wins: Mordecai's final love interest in the Grand Finale and she ends up being his wife.
• Locked Out of the Loop: In "25 Years Later" comic, she feels this way since she had met Mordecai long past his 20s. So she wasn't used to the craziness that happened in his youth. Likewise didn't help that Margaret, who had also been de-aged along with Mordecai and Rigby, was visiting at the time.
• Love at First Sight: Implied. While at an art convention, she bumps into her future husband, Mordecai, another fellow artist. The two gaze at one another before a Time Skip happens — showing that they are married with three kids.
• Perky Goth: Implied by her attire, at least back when she first met Mordecai.
• Satellite Love Interest: Outside of the fact she is a fellow artist and Mordecai's future wife, not much is known about her. Whether we will see more about her in the future is up for debate.
• Third-Option Love Interest: Mordecai's two primary love interests (Margaret and CJ) didn't work and he met and fell in love with Stef later on.
• The Voiceless: Doesn't utter a single line in her only appearance.

Love Interests (Other Protagonists' Girlfriends)

Eileen Roberts

Voiced in English by: Minty Lewis

Voiced in Latin American Spanish by: Christine Byrd (Season 2), Isabel Martiñón (start of Season 3 and Seasons 5-8), Marina Urbán (rest of Season 3-4)

Debuted in: Season 2, "Brain Eraser"

An adorably sweet mole girl who works at the coffee shop with Margaret. Has a crush on Rigby.

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• Action Survivor: Proves herself to be one of these in "Camping Can Be Cool". Without her, Mordecai, Margaret and Rigby would probably not have made it out of those woods alive...
• Ascended Extra: Went from Margaret's best friend to one of Mordecai and Rigby's closest companions before officially joining the main cast in the eighth season.
• Author Avatar: Eileen is basically Minty Lewis in mole form. Her biggest roles are generally in episodes Minty Lewis (who's a writer on the show) co-wrote with Kat Morris.
• Babies Ever After: She and Rigby have two daughters in the series finale.
• Badass Bookworm: She's a studious, academically overachieving Brainy Brunette who's also surprisingly strong and has saved (or helped to save) the day on several occasions.
• Beast Man: She is a humanoid who happens to be covered with tan fur and have a mole's tail, as well as occassionally exhibit mole-like behavior.
• Berserk Button: In "Dumptown, USA," she has one regarding Ethiopian food she wants to try.
• Blind Without 'Em: After hearing that Rigby thinks she's hot without her glasses on, she tries to serve coffee without them and bumps into a table.
• Brainy Brunette: Including straight A's in school.
• Characterization Marches On: Her Cloudcuckoolander tendencies are played up far more in "Do Me a Solid" than they are in later episodes.
• Cloudcuckoolander:
  • "Do Me A Solid" proved this is indeed the case.
  • And in "Camping Can Be Cool" she admits to going through a phase where she got lost in the woods a lot the previous year, as well as playing with several snakes.
• A Day in the Limelight: "One-Pull Up" marks her first important role in an episode, without her playing second fiddle to Margaret. She gets a lesser one in "Tants" her first major role following Margaret's departure. She gets her first full example of this in "Video 101".
• Dude Magnet: Besides Rigby, three of his classmates in "The Eileen Plan" all agreed she was a "mega babe".
• Graceful Ladies Like Purple: She wore a purple sweatshirt in "TGI Tuesdays", which she shows, she can be a graceful dancer. She also wore it in "Meteor Moves", "Play Date" and "Real Date".
• Happily Married: In the finale A shot shows she's married Rigby and they have two kids together.
• Heterosexual Life-Partners: With Margaret and to a lesser extent with CJ. Becomes a plot point in "I See Turtles" when Eileen bemoans the fact she can't hang out with both at the same time due to the lingering awkwardness over Mordecai and Margaret's kiss at the Christmas Party. Tenuously resolved with CJ calling Margaret to save Eileen, Rigby and some baby turtles, with the two agreeing to hang out though still clearly not being comfortable around one another. Although CJ and Mordecai later break up and she is not seen hanging out with any of them afterwards.
• Hidden Depths: Proves to be an adept trainer in "One Pull Up".
• Informed Species: Eileen is supposed to be a mole, but due to looking much more human-like than the other animal characters, does not resemble one. Her round, flat tail and occasional buck teeth that stick out make her resemble a beaver more that a mole.
• Interspecies Romance: Her (a mole) and Rigby (a raccoon).
• Jerkass Ball: In "Dumptown, USA," when she turns her fake break-up with Rigby into a real one, when it was initially to get Rigby to Dumptown to rescue Mordecai, all because she started to think negatively of Rigby and continues to carry this grudge towards him off-screen up to the end of the episode, all because of Rigby not wanting to go to the Ethiopian restaurant with her. They reconcile off-screen before the next episode, though.
• Limited Wardrobe: Exceptions version. Outside of her job at the Coffee Shop, she and Margaret have a good set of wardrobes. She seems to like pink and blue the the most. In Season 8 she usually wears a pink t-shirt with blue jeans, which was a common outfit for her in the pervious seasons.
• Morality Pet: Eileen is more or less the one person Rigby won't be a Jerkass towards. A majority of his Character Development is also kickstarted once he enters a relationship with her.
• Nerds Are Sexy: She's an archetypal nerd whom Rigby thinks is hot, and apparently he isn't the only one; she's referred to as a "mega babe" by some high school jocks in "The Eileen Plan".
• Nice Girl: Rivals Pops for the position of the nicest character on the show.
• Official Couple: In the episode "Dumped at the Altar" Rigby reveals that he and Eileen have been dating in secret for a couple months. According to Rigby, it was her idea since she wanted to avoid "shoving their happiness down Mordecai's throat."
• Older Than They Look: Her very short stature and childlike side ponytail suggest that she's younger than she is, but she's the same age as Mordecai and Rigby.
• Pink Means Feminine: Similar to how Margaret seems to like wearing yellow and teal tops, Eileen seems to like wearing a lot of pink tops. Her most common outfit outside of her work uniform, especially in Season 8, is a pink t-shirt with blue jeans. She wears a pink blouse with white lace on the collar in "Do Me a Solid" and "One Pull Up". In "Terror Tales of the Park III", she wore a pink skirt, to go along with her 50s outfit costume. She also wears a pink dress to Muscle Man and Starla's wedding., and is seen wearing a pink dress and later a pink sweater in the time skip montage during the finale.
• Satellite Character: Suffered from the same affliction as High Five Ghost, serving mostly as a side dish that came along with Margaret until the fifth season had her hanging out with Mordecai and Rigby proper more often. Eventually elevated to main character status in the eight season, as a result of joining the Space Park Rangers along with the others.
• She Cleans Up Nicely: She’s been shown to wear nice dresses and do her hair differently for special occasions, such as in "Access Denied", for Margaret’s birthday, Muscle Man and Starla's wedding and when she went to prom with Rigby.
• Sherlock Scan: In "Crazy Fake Plan", she does this to try and figure out where Rigby is taking her, complete with computer screen vision.
• Shipper on Deck: She's very supportive of Mordecai and CJ's relationship, so much so that she and Rigby encourage them to go on a real date and she helps CJ out on said date.
• Shorter Means Smarter: She is the same height as Rigby, but probably the most conventionally book-smart of the cast, as well as an accomplished science student.
• Shrinking Violet: Quiet and soft-spoken, she's quite shy at times.
• Sixth Ranger: In the final season she gets taken along with the park to space and becomes an official member of the crew in their adventures.
• Skintone Sclerae: In her first episode Brain Eraser. In her official debut Do Me A Solid she now has whites in her glasses. She still has this trope with her glasses off.
• Smart People Wear Glasses: And it goes along with her being a Brainy Brunette.
• The Smart Girl: She can help solve Mordecai and Rigby's issues with the proper skills and information that she has on hand, and she knows random trivia.
• Stalker with a Crush: Eileen to Rigby. First noted in "Do Me A Solid", when Mordecai notices that Eileen is staring at Rigby from the other side of the Coffee Shop.
  • Subverted in "Diary", Margaret forgot to tell Mordecai and Rigby that she asked Eileen to water her plants since she had the guest room for the weekend. The night before Margaret revealed this, Rigby confessed that his biggest secret was that he thinks Eileen is hot without her glasses on. Guess who comes to serve their coffee without her glasses?
    • This was subverted in the fact that Eileen heard Rigby say this while she was (unknowingly to Rigby) in the guest room.
• Stronger Than They Look: She's petite and usually very meek, but she reveals in "One Pull Up" that she was on the pep squad at her high school and can do pull-ups with ease. She also puts Rigby through some serious training to also be able to do a pull-up.
• Sympathy for the Devil: She genuinely sympathizes with Death Bear when he’s sent to an animal sanctuary despite him trying to kill her and her friends hours prior.
• Town Girls: The bookish, nerdy Neither to CJ's aggressive, competitive Butch and Margaret's giggly, somewhat demure Femme.
• True Blue Femininity: A lot of bottom wear she wears, are blue. She wore a blue sleeveless top in "One Pull Up" and briefly in "Real Date", and a short sleeve shirt in "Lift With Your Back". She also wore a blue-ish green dress when Rigby takes her to prom.
• What Does She See in Him?: With the way Rigby acts towards her, you'd think she'd try someone else...
  • This is subverted in later episodes, with Rigby treating her nicely and even showing hints of being attracted to her. They eventually become an Official Couple, with Rigby actively working to better himself for her (and himself).

Starla Gutsmandottir

Voiced in English by: Courtenay Taylor

Voiced in Latin American Spanish by: Jocelyn Robles

Debuted in: Season 2, "Muscle Woman"

Muscle Man's on again-off again (currently on) girlfriend and later wife.

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• Acrofatic: Much like her boyfriend/husband, she's surprisingly quick and agile despite being fat.
• Affectionate Nickname: "Babe" from Muscle Man.
• Amazing Technicolor Population: Green skin like Muscle Man.
• Ambiguously Human: Like Muscle Man, Starla looks relatively human except for the natural green skin.
• Babies Ever After: The finale reveals Starla was pregnant when Muscle Man went to space, and gives birth to their daughter, who he finally meets after he returns. By the 25 year park reunion, she and him have had 5 more children and appear to also be grandparents.
• Battle Couple: Whenever she and Muscle Man are in a brawl, they make an effective fighting team.
• Big Eater: Though not on the same scale as her husband, Starla does love to eat.
• Characterization Marches On:
  • Her episode debut has her breaking up with Muscle Man and even calling him a loser when confronted about it. After they get back together at the end of the episode, her subsequent appearances have her head over heels for Muscle Man and they are very rarely seen fighting from then on out.
  • She was also shown to be quite violent and antagonistic (like Muscle Man), to the point of trying to kill Mordecai and Rigby. Later appearances show her to have mellowed out and been on better terms with the two.
• Clingy Jealous Girl: Gets jealous of the assumption that Muscle Man is flexing his pecks to attract women.
• Distaff Counterpart: Starla is basically the female version of Muscle Man, with her debut episode even being named "Muscle Woman".
• Girlish Pigtails: Her default hairstyle that she's never seen without.
• Gonk: She is just as unattractive as Muscle Man. Although, she gets a bit prettier in later portrayals.
• Green and Mean: Mainly in her first appearance, where she is shown to be almost as violent and antagonistic as Muscle Man. She does mellow out in future episodes, though.
• Happily Married: To Muscle Man as of the end of Season 6. She later has his child while he's off in space, Mitch finally meeting her when they return and the Epilogue shows they have several more.
• Lookalike Lovers: She and Muscle Man look almost exactly alike despite not being blood related.
• Love Makes You Crazy: Getting rejected by Mordecai sends her on a warpath, and if anything gets between her and Muscle Man, she'ss do everything in her power to protect their love.
• Morality Pet: She is the one that Muscle Man is the least jerkass towards. In fact, he is consistently kind and loving whenever he is near her.
• Not Good with Rejection: And by "Not good", we mean she goes on a town destroying rampage when Mordecai dumps her.
• Official Couple: With Muscle Man, and the two are engaged and married by the season 6 finale.
• Person of Mass Destruction: You think Muscle Man tears stuff up when he's mad? She outdoes even him.
• Progressively Prettier: In her first appearance, she's ill-mannered and quite ugly. As she made more appearances, it was toned down◊ and now she's much cuter.◊
• She Cleans Up Nicely: She's still no looker, but she cleans up nice during "Fancy Restaurant".
• Stout Strength: The same as her boyfriend/husband — Starla is fat but has a lot of strength.
• Strong Family Resemblance: When her parents make their debut episode, it's shown that Starla gets her looks from her father.
• Super-Strength: She's not known as "Muscle Woman" for nothing.
• Token Minority Couple: Coincidence or not, she and her parents are the only stout, green-skinned people around besides Muscle Man and his relatives.
• Took a Level in Kindness: She is shown to be on far better terms with the other characters since her debut in "Muscle Woman".
• Violently Protective Girlfriend: Starla will beat up anyone who threatens to harm Muscle Man.
• Woman Scorned: When she gets dumped, the results are not pretty.
• Your Makeup Is Running: After seeing Muscle Man "dead" in "The End of Muscle Man", she has an emotional breakdown that leaves her with long streams of black running down her face.

Celia

Voiced in English by: Zosia Mamet

Voiced in Latin American Spanish by: Mayra Arellano

Debuted in: Season 5, "The Postcard"

A human girl Hi-Five Ghost met four years ago before she went off to study in Prague, Czech Republic.

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• Ascended Extra: Appears in three episodes in the show (Her introduction, a Halloween story and the finale). She plays a major role in the Adventure Time x Regular Show comic crossover.
• Babies Ever After: She and Hi-Five Ghost have a son together by the series finale.
• Birds of a Feather: With Hi-Five Ghost. They love the same coffee shop, down-tempo electronica, the same music album, watching animals in the aquarium, and they don't like the food in Wing Kingdom. But unfortunately, none of them had cellphones back then.
• Character Catchphrase: "Me too!"
• Does Not Like Spam: Like HFG, she doesn't like chicken wings. Unlike him, she apparently doesn't pretend to like them.
• Happily Married: Reunites with Hi-Five Ghost at the series finale and beyond making music with him, appears to have settled down with him and even had a son with him.
• Interspecies Romance: Her (a human) and Hi-Five Ghost (a ghost).
• Nice Girl: She's always sweet and pleasant.
• The Promise: She and Hi-Five Ghost both agreed to meet up again when she finishes her schooling and if they're both single by sending him a postcard to let him know she's back in the country.
• Same Clothes, Different Year: Four years later when she reunites with Hi-Five Ghost, she is wearing the same clothes and has the same hairstyle from the day they first met.
• Satellite Love Interest: To a Satellite Character himself, at that - Celia's only characterization is that she's Hi-Five Ghost's main love interest and girlfriend, whom she has a Birds of a Feather relationship with.
• True Blue Femininity: In "Merry Christmas Mordecai", she wore a Blue sweater with Angels. She also wore a dark blue skirt.

Audrey

Voiced by: Courtenay Taylor

Debuted in: Season 3, "Weekend at Benson's"

Benson's next-door neighbor and girlfriend.

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• 555: Her phone number starts with this.
• Amicable Exes: Kinda. While she did invite her ex-boyfriend to her party, her ex tries to prevent anyone from dating her.
• Flat Character: She doesn't get many changes to her personality as the show progresses.
• Innocently Insensitive: In "The Christmas Special", when Benson shows off his Christmas sweater to her, she comments on Benson's sweater saying it should be the winner for "Ugliest Sweater", thinking he's only wearing the sweater as a joke.
• Interspecies Romance: With Benson who's a gumball machine.
• Official Couple: With Benson as "Party Re-Pete" indicates. Subverted in "The Real Thomas" where Benson revealed that they both broke up.
• Satellite Love Interest: She mainly spends screentime supporting Benson.
• Romantic Spoonfeeding: Does this with Benson at the end of "Party Re-Pete" while they dance.

Pam

Voiced by: Ali Hillis

Debuted in Season 7, "The Dome Experiment Special"

One of the dome scientists, who Benson develops a crush on and later a relationship with.

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• Back for the Finale: She came back and worked with Benson after Mordecai and Rigby left.
• Birds of a Feather: With Benson, as both of them are workaholics and love chicken wings.
• Brainy Brunette: Pam has brown hair and is one of the dome scientists.
• Crash-Into Hello: With Benson at the start of "Pam I Am".
• Does Not Like Spam: She is not a big fan of Ranch dressing.
• Early-Bird Cameo: Appears in the initial "Dome Experiment Special" and a few other episodes before her feature appearance in "Pam I Am".
• Easily Forgiven: Despite knowing the true nature of the Dome, and despite dating Benson once the experiment was over knowing he'd be launched into space, Benson forgives her and continues their relationship till she dumps him. Benson also brushes off their breakup for her sake, despite falling to pieces once their call is finished.
• Gasshole: After eating some chicken wings, she was able to let out several good burps.
• Happily Married: She and Benson rekindled their relationship and later got married after he came back.
• Interspecies Romance: Her (a human) and Benson (a sentient gumball machine).
• Last Girl Wins: Benson's last girlfriend of the series who later becomes his wife by the finale.
• Put on a Bus: Is left on earth with the rest of the supporting cast and later breaks up with Benson due to the distance between them.
• Smart People Wear Glasses: She's is a bespectacled scientist.
• Trademark Favorite Food: Just like Benson, she loves chicken wings.

Desdemona "Mona"

Voiced by: Grey DeLisle

Debuted in Season 3, "Diary"

Skip's deceased love and girlfriend.

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• Conspicuous Gloves: She wore black fingerless lace gloves as a fashion choice.
• Early Installment Character-Design Difference: In her debut episode, "Diary, this is what she looked like.
• Flowers of Femininity: She wore a hat filled with flowers.
• Heroic Sacrifice: Mona pushes Skips out of the way of falling debris from Klorgbane's attack and is instantly killed.
• Interspecies Romance: Her (a human) and Skips (a yeti).
• The Lost Lenore: For Skips. She was killed when she pushed him out of the way of falling rubble caused by Klorgbane's attack on the prom. Even into the finale of the series, he never tries to find love again.
• Nice Girl: She was a very sweet person.
• Posthumous Character: She's already been dead for a very long time before the beginning of the series.
• Single Woman Seeks Good Man: Mona instantly liked Skips because of their connection, but she didn't want to be with him due to his willingness to get into fights.
• Strong Family Resemblance: When her parents are shown, she and her mother look almost exactly alike.

Protagonists' Families and Relatives

Hilary and William

Voiced by:Hilary: Jennifer Hale (The Thanksgiving Special), Katey Sagal (onwards) William: Alastair Duncan (The Thanksgiving Special), Ed Begley Jr. (onwards).

Debuted in: Season 5, "The Thanksgiving Special"

Mordecai's parents. They both love their son, even if Mordecai is usually embarrassed by his mother.

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• Amazingly Embarrassing Parents: Ever since he was a teenager, Hilary has always unintentionally embarrassed Mordecai whenever he brings a girl home, which ends with them leaving. She even put together a whole home movie of Mordecai's most embarrassing moments titled "Mordy Moments". CJ however wasn’t put off by any of it, thinking she’s sweet, and Mordecai learns to appreciate her as she’s genuinely been a good parent to him.
• Cannot Tella Lie: They both attribute this as to why their marriage has been going strong for twenty five years - unless Hilary asks if she can still pass as a college student. It’s also the advice Hilary gives Mordecai over how to solve his issues with CJ in "Sad Sax".
• Early Installment Character-Design Difference: Hilary had blue feathers on her forehead and a different hairstyle in her debut appearance in The Thanksgiving Episode, and she wore a salmon dress (the latter was likely because it was a special occasion).
• Eye Glasses: William has these.
• Happily Married: They’ve had a stable marriage for over twenty five years.
• Good Parents: They both love their son, and even though she recorded his most embarrassing childhood memories on tape, Hilary’s good parenting after the incidents (i.e. taking him out for ice cream after a Slip n Slide mishap, pulling strings in order to find a good doctor to remove his saxophone after it got stuck in his braces) makes Mordecai realize he’s being a jerk complaining about her.
• Non-Mammalian Hair: While Mordecai naturally has crested blue feathers/"hair" like a real blue jay (although he had brown hair as a teenager), William has dark brown hair and Hilary has blonde hair.
• Shout-Out: Word of God confirmed Mordecai's mom's name as Hilary. She may be named after storyboard artist Hilary Florido, although she and her husband also share the same names as Bill and Hilary Clinton.

Don

Voiced by: Julian Dean

Debuted in: Season 1, "Don"

Rigby's younger brother who's also an accountant.

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• The Ace: Tall, uber nice, drives a wicked car, and loved by all.
• Always Someone Better: To Rigby, which is the reason why Rigby resents him.
• Animals Not to Scale: He's huge.
• Annoying Younger Sibling: While he isn't doing it on purpose to Rigby, Rigby resents his brother because everyone likes him more and he's more successful.
• Big Brother Worship: He admires his brother and tries to be like him. Like not wearing clothes like Rigby.
• Big Little Brother: Due to his size and voice, people would mistake him as the older brother. One of the reasons why Rigby was always so upset with him.
  Rigby: And to top it all off, everyone always thinks you're my older brother. I'M the older brother! Me!
• Break the Cutie: Don's hurt reaction to Rigby saying he wishes Don was never born. They make up and he recovers quickly, however.
• Character Catchphrase: "Give me some sugar."
• The Charmer: His kind attitude makes everyone he meets immediately take a liking to him. Even Benson quickly grows fond of him.
• Cool Car: He drives a red Chevrolet Corvette C4.
• Cuddle Bug: He loves giving people "sugar".
• Establishing Character Moment: Two times as a kid and adult. In a flashback to his and Rigby's childhood, he hugs all of Rigby's friends at a party, showing how kindhearted he is. In adulthood, he gives most of Rigby's co-workers a hug and even manages to get Benson to immediately like him in doing so. In both scenes, we get to know what kind of guy Don is, a kindhearted guy who likes his older brother and is welcoming to and welcomed by others.
• Foolish Sibling, Responsible Sibling: The responsible sibling (an accountant who owns his home) to Rigby's foolish sibling (a slacker who never graduated high school). Although, Rigby does get better by season 7.
• Gentle Giant: Being the opposite of Rigby, he's very big and very nice.
• Loved by All: He is an overly friendly Gentle Giant who is loved by everyone except his brother Rigby, who resents him for being more popular than him, since even Rigby's friends seem to like Don more than Rigby himself. He eventually makes peace with Rigby too.
• Man Hug: He would give this to everyone and calls his hugs "sugar".
• Mature Younger Sibling: Don is a chill guy who does well at his job as an accountant, as opposed to Rigby, the goofy Manchild who would rather mess around than work. This, in addition to their height differences, was what got people to mistake Don for the older brother (much to Rigby's frustration).
• Naked on Arrival: Also applies to Mordecai and Rigby, of course, but it's more conspicuous with Don because of his ripped humanoid shape. He says he stopped wearing clothes because he admired Rigby for doing it.
• Nice Guy: Which makes the others confused about Rigby's hate towards him.
• Old Friend: Due to having the same childhood friends with Rigby, he's pretty tight with Mordecai.
• Parental Favoritism: In the episode "Rigby Goes to the Prom", Rigby claims that Don is favored by their father. Going as far as saying Don and his car are his two favorite things in the world whereas Rigby is way bottom on the list.
• Strong Family Resemblance: Despite having the same head and facial design as Rigby, the thing that makes him look different is his body.
• Younger Than They Look: In the flashback to Rigby's sixth birthday party, Don would have been at oldest five but looks at least a couple years older than that, as he physically looks almost exactly like how Rigby currently looks as an adult. It's no surprise he was mistaken for the older brother even that early on.

Sherm and Barbera

Voiced by: Sherm: William Salyers (The Thanksgiving Special), Eddie Pepitone (onwards). Barbera: Courtenay Taylor (The Thanksgiving Special), Ali Hillis (onwards)

Debuted in: Season 5, "The Thanksgiving Special"

Rigby's mother and father. While Barbera tries to be supportive of both of her sons, Sherm is only loving to Don and views Rigby as a disappointment.

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• Abusive Dad: Sherm is of the emotionally abusive variety regarding Rigby. He usually lets his short temper out on him and makes it verbally clear that he sees him as a screw up.
• Both Sides Have a Point:
  • Sherm thinks very poorly of Rigby, openly viewing him as a screw-up and slacker. However, Sherm's not wrong that many of Rigby's misfortunes were caused by his own laziness and tendency to push work aside to have fun. It takes Rigby years to finally start taking responsibility for his choices and start to mature.
  • Rigby brings up that Sherm was always too busy fawning over Don to properly care for him growing up. While Rigby was indeed an irresponsible slacker, instead of supporting him and helping him to improve himself, Sherm degraded Rigby and branded him a failure in comparison to Don. Sherm was right that Rigby was a slacker, but did nothing productive about it. In 'Lunch Club', Rigby reveals that Sherm always told him to stay a screw-up and not bother trying to improve himself because Don was better than him. So despite Sherm criticizing Rigby for being lazy and immature, him actively telling him to not improve himself makes him an outright hypocrite.
• Brutal Honesty: Sherm does not sugarcoat how much he thinks abysmally of Rigby in almost every appearance he makes.
• Calling the Old Man Out: Sherm is on the receiving end of this from Rigby in the episode "Rigby Goes to Prom".
  Rigby: (in the his father's car with Eileen and Sherm about to fall off a cliff) Gah, Dad, stop! It doesn't matter if I ever get a fancy job or my GED! You're still never going to trust me and that's on you! You're so focused on your car, you never notice me growing up! Also, it's totally your fault cause you were the one driving and you weren't watching the road!
• Character Development: Sherm slowly comes around and starts to show more respect to Rigby when the latter goes through his own Character Development of becoming more responsible and finishing high school.
• Disappointed in You: His main attitude to Rigby, though not without reason.
• Early Installment Character-Design Difference: In his debut appearance alongside his wife, Sherm had a more trim build and friendlier appearance, resembling and even kinda sounding like Ned Flanders. This appears to have been retconned with all of Sherm's following appearances, along with the fact that, along with Mordecai's parents, he and his wife lived far enough away from The Park to need to travel by plane, whereas later episodes establish their homes are within driving distance.
• Foil: Sherm is one for Mr. Maellard. Sherm is a self-sufficient man while Mr. Maellard is wealthy and while Sherm belittles Rigby for his immaturity, Mr. Maellard actually doesn't mind Pops's immaturity.
• Good Parents: What Barbera tries to be to Rigby. She is shown comforting Rigby and even sneaks him the keys to his dad's car after he was forbidden.
• Hypocrite: Despite Sherm constantly belittling Rigby for his immaturity and laziness, in 'Lunch Club', Rigby reveals that his father tells him to just stay a goofball as Don will always be better than him. Rigby eventually calls him out on this in 'Rigby Goes to Prom'.
• Jerkass Has a Point: He's utterly tactless about it, but Sherm is right about how Rigby is mostly a slacker who tries to find ways to get out of work while Don is more self-sufficient. He was also arguably right about making twelve year old Mordecai and Rigby finish a box of cereal before opening a new one just to win a toy, since it would be wasting food.
• Non-Mammalian Hair: While Rigby's hair resembles the color and texture of his fur (although as a teenager he bleached it), both his parents have brown human hair. Sherm also has a brown mustache.
• The Precious, Precious Car: Sherm takes great pride in his car, to the point where he has a picture of him washing it.

"Muscle Dad" Sorenstein

Voiced by: Fred Tatasciore

Debuted in: Season 3, "Trucker Hall of Fame"

Muscle Man's late father.

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• All of the Other Reindeer: He was a forklift operator who longed to be a trucker, with the truckers looking down on him and picking on him.
• Always Someone Better: His children manage to pursue and succeed at his interests more than he ever could.
• Amazing Technicolor Population: He has green skin.
• Big Damn Heroes: Saves his son, Mordecai and Rigby from an army of Jerkass truckers from beyond the grave.
• Big Fun: Loved pulling pranks and spending time with his kids.
• Everyone Calls Him "Barkeep": He's called "Muscle Dad" even by his peers at the gym.
• Fat Idiot: Died due to his on stupidity. See Too Dumb to Live below.
• Good Parents: Just an all around good dude who encourages his children's success.
• Like Father, Like Son:
  • He's where Mitch gets his love for pranking, his catchphrase, and his bodybuilding talent.
  • Muscle Bro became a trucker to follow in his old man's footsteps, even though Muscle Dad was lying about being one.
• Manchild: A sweet guy, but he spent most of his time pulling the same dumb sort of pranks his son does on people at a far older age than him.
• Nice Guy: Outside of pranks, he was a kind man and only wanted the best for his son.
• Only Known by Their Nickname: Unlike the rest of his family, we don't get to know his first name, always referred to as "Muscle Dad".
• Posthumous Character: He is only shown alive in flashbacks, although he also appeared as a ghost.
• The Prankster: He was the predecessor of his son.
• Pretender Diss: He was subject to this by actual truckers for trying to ape the style of a trucker. Him being regarded as nothing but a forklift driver hits Muscle Man hard.
• So Proud of You: As a ghost, he tells his son how proud he is of him, and before that, he's in admiration for Muscle Man becoming a natural at bodybuilding.
• Stout Strength: As Muscle Man puts it, he may not have had a lot of muscles, but he was still as strong as an ox.
• Strong Family Resemblance: His wife and children look quite similar to him, though Muscle Bro lacks the green skin.
• The Tape Knew You Would Say That: His various videos and letters left to Muscle Man border on prophetic.
• Too Dumb to Live: He was nice and all, but this is how he died...
  Muscle Man: We're here today 'cause my dad put a cactus under a cop in a bear costume, who turned out to be an actual bear.

Monique "Muscle Mom" Sorenstein

Voiced by: Edie McClurg

Debuted in: Season 6, "Terror Tales of the Park IV"

Muscle Man's mother.

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• Killed Offscreen: Regular Show: 25 Years Later implies that she passed away by the time of the Distant Finale.
• Minor Major Character: Muscle Man talks about her a lot, yet she's only appeared twice in the show.
• The Prankster: She scares her sons with a scary costume every Halloween.
• Unseen No More: After being referenced constantly through Muscle Man's jokes, she finally makes a physical appearance in "Terror Tales of the Park IV".

John "Muscle Bro" Sorenstein

Voiced by: Steve Blum

Debuted in: Season 2, "My Mom"

A truck driver, and Muscle Man's older brother.

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• Characterization Marches On: Starts off very antagonistic to anyone that wasn't his brother, before becoming friendlier in later appearances.
• Escaped from Hell: How he's introduced in "My Mom!". By driving his truck straight out of the underworld.
• Foil: To his brother, Muscle Man. Both of them have similar builds and are pranksters, but Muscle Bro lacks his brother's other personality traits that make him more tolerable. Muscle Man also shares their father's hobbies the most, while Muscle Bro mainly manages to become a trucker like his father always wanted to be.
• Horrifying the Horror: He may be tough and sadistic in his pranks, but he's always been scared of the prank Muscle Mom pulls every Halloween.
• It Runs in the Family: Shares his love of pranks and body shape with the rest of the family.
• Jerkass: He's his brother minus the parts that make him tolerable. He does, however, come off with good terms with everyone else in later episodes.
• Like Father, Like Son: He became a trucker just like his father, though Subverted when we learn that Muscle Dad was just faking his occupation.
• N-Word Privileges: Only he and his family can diss Muscle Mom. He helps Muscle Man pull a prank when Mordecai and Rigby try otherwise.
• The Prankster: He helps Muscle Man out with his schemes.
• Satellite Character: He only appears in episodes where Muscle Man gets much focus.
• Strong Family Resemblance: Averted, as he resembles the green Muscle family the least.
• What Happened to the Mouse?: Vanishes after his brother's wedding, not even appearing after he returns from space.

Low-Five Ghost

Voiced by: Roger Craig Smith

Debuted in: Season 2, "See You There"

The older brother of Hi-Five Ghost who gives low-fives and he's also a police officer.

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• Cool Big Bro: He's always willing to lend HFG a helping hand when asked.
• Cool Shades: He wears two types of sunglasses. He wears black Aviator sunglasses when he's cop and turquoise wayfarers sunglasses when he's off-duty.
• Dirty Cop: A benevolent example, he's not afraid to bend the rules to help out his brother and his friends.
• Heel–Face Turn: Zigzagged. He was in jail in his first appearance, but later became a cop after being bailed out. But, even after becoming a cop, he bends the rules to help his brother and his friends.
• Light Is Good: Zigzagged. Like his brother, he's a white ghost. However, he was a former criminal but became a cop...but is also a Dirty Cop. Other than that, LFG is a genuinely decent fellow.
• Meaningful Name: Opposite of his younger brother, he gives low fives.
• Multi-Armed and Dangerous: Like Hi-Five Ghost, he can take out two extra arms at his sides in addition to the one on his head.
• Never Bareheaded: We always see him with his sunglasses on.
• Perma-Stubble: LFG has some stubble. This may be mostly done to tell him and HFG apart.
• Sibling Yin-Yang: With Hi-Five Ghost. LFG talks more often and is outgoing while HFG is quiet and shy.
• Strong Family Resemblance:
  • He pretty much looks like Hi-Five Ghost if you take away the sunglasses and stubble.
  • And like his brother, he bares an equally strong resemblance to their father.

Quintin "Quips" Quippenger

Voiced by: Matt Price

Debuted in: Season 4, "Quips"

A yeti who is Skips' cousin who constantly tells terrible jokes and gets on the nerves of everybody.

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• Alliterative Name: Quintin Quippenger. Also applies with his nickname.
• Bigfoot, Sasquatch, and Yeti: Like his cousin, Quips is a yeti.
• Character Catchphrase: "ZINGOOOO" to let everyone know when he's delivered a joke.
• Character Tics: Whenever he uses his Verbal Tic, he does a pelvic thrust while fist pumping his arms forward.
• Comically Missing the Point: He is fully unaware that everybody hates his jokes and thinks the only reason why people don't laugh is because they don't get his jokes. This is the reason why he got fired from the comedy club. He finally figures it out once Skips finally tells him the truth.
• Creator Cameo: His voice actor is one of the writers of the series.
• The Ditz: At least ignorant on social matters. He doesn't know why his zingers don't land, and he's usually not in any real danger.
• Don't Explain the Joke: He explains a lot of jokes if the person/people he's telling them to don't laugh (but that's because they aren't funny).
• Foil:
  • To Don. Both are family members of one of the Park's employees who contributed to an episode's plot and are both nice guys. Don was liked by all of the Park members except from his older brother, Rigby, who tried to drive Don away; Quips is considered the In-Universe scrappy by all of the Park members except by his cousin, Skips, who is the only one who wants Quips around.
  • To Skips. Both are friendly, albino yetis with similar sounding names and their main romance was with a human. Skips has a muscular body, is fairly serious, lost the love of his life, and is well-liked by the other Park employees; Quips has a slimmer build, loves to make jokes, is happily engaged to his fiancée (who he is presumed to have later married), and is barely tolerated by his cousin's friends.
• Friendless Background: Despite having a fiancée, he has absolutely no friends for obvious reasons. He made Skips his best man for his upcoming wedding and has a bachelor party with just Skips, Mordecai, Rigby, Muscle Man, and Hi-Five Ghost because of this particular reason.
  Quips: (asking a request from Skips) At the end of the night, I want to eat wings on a hill with my best buds! Well, your best buds. Can I borrow your best buds? Just to reiterate, I don't have any friends.
• Incredibly Lame Pun: He does almost nothing but make awful puns and jokes.
• Innocently Insensitive: Quips is for sure a nice guy and means well...but his jokes are not only unfunny, they also typically are made at the expense of whomever he is telling it to, whether it be making fun of Pops’ head, Benson’s lack of hair, or straight up calling Reginald a baby (which while technically true on an appearance level is also very incorrect on a whole other bunch of levels) and insisting otherwise as well as consistently making fun of his drawings. But again, he isn’t aware of how his jokes are viewed by anyone he tells them too and thus is unaware of how he comes across in general, until Skips finally tells him.
• Interspecies Romance: Quips is a yeti and his fiancée is a human.
• Keet: He's almost always upbeat.
• Kindhearted Simpleton: Downplayed. While he has shown good vocabulary skills, he is not very intelligent when it comes to how others would feel or react to his jokes. But is still a Nice Guy.
• Large Ham: Downplayed. He tends to deliver his dialogue with a chipper tune.
• Laughing at Your Own Jokes: He constantly tells bad jokes that only he finds funny.
• Meaningful Name: He thought people called him "Quips" because his last name is Quippenger, but it's actually because he constantly tells really bad jokes.
• Nice Guy: Annoying habit aside, Quips is genuinely sweet-natured.
• No Social Skills: Big time. Because he has a habit of telling annoying and (unintentionally) insulting jokes towards others, it's unsurprising that he doesn't have a lot of friends aside from the park workers.
• Non-Ironic Clown: His profession after giving up his stand-up career. Thankfully kids are far more appreciative of his jokes.
• The Scrappy: In-universe. His constant bad jokes and not shutting up about them is why everybody hates him. Even Pops, who can tolerate most people and is a bit of an oddity himself, doesn't want to be associated with him. Although this was most likely deliberate. He appears to have dropped this as of his second appearance on the show.
• Too Dumb to Fool: When Skips and Quips are trapped inside a mirror box, Reginald, one of the Guardians of Eternal Youth, tries to make Quips understand how unfunny he is by making reflections of Quips appear inside the box telling his bad jokes. It doesn't work because he finds the jokes hilarious.
• Too Dumb to Live: He constantly makes fun of Reginald and doesn't take the game they are playing seriously which angers Reginald into trapping him and Skips inside a mirror box. He thinks he can get them out by telling Reginald more jokes which makes the situation they are in even worse.
• Uncanny Family Resemblance: His resemblance to Skips is amazing, with the only difference being in hairstyle and body type.
• Verbal Tic: "Zingo!"

Frank Smith

Voiced by: Roger Craig Smith

Debuted in: Season 4, "Family BBQ"

The Channel Six traffic reporter, and Margaret's human father.

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• Boyfriend-Blocking Dad: Frank acts cold and dismissive towards Mordecai for most of "Family BBQ" because he's afraid that he will take away his "Hug Bug".
• Character Development: Initially a hostile Jerkass to Mordecai for dating Margaret, but comes to genuinely like him near the end of "Family BBQ". And Frank's subsequent appearances, which were after Mordecai and Margaret broke up, Frank is more friendly to the former, even saying how Mordecai is a like a son to him.
• Interspecies Romance: His wife is a robin and he's a human.
• Papa Wolf: In "Local News Legends", when he saw Margaret was in danger, he immediately went into action mode and took the chopper to go and save her.
• Jerk with a Heart of Gold: Despite his initial hostility to Mordecai, he soon warms up to him.
• Serious Business: He takes cannonballs^note (The diving technique not the ammunition) ridiculously serious.
• Shipper on Deck: By the ends of his debut episode, he comes to fully support Mordecai as Margaret's boyfriend.

Space Tree Station

Commander Rawls

Voiced by: D.C. Douglas

Debuted in: Season 8, "Welcome to Space"

The Commander of Space Tree Station, where the Park Crew ends up after being blasted into space.

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• Ambiguously Evil: Keeps the true purpose of the SPARK initiative from the crew and dodges Benson's questions when confronted. Subverted as of "Space Escape": He only doesn't explain why Pops is important because there isn't time, and does everything in his power to protect the Park Crew. It's also made clear whatever the Park's mysterious mission is, it's a good one.
• Big Good: Of In Space. For the first third anyway.
• Drill Sergeant Nasty: A mild example, as he only puts on the persona to try and get Benson not to quit, and the worst he does most of the time is tell his crew to drop and give him 20.
• A Father to His Men: Willing to lay down his life for his men in a heartbeat. Also see Reasonable Authority Figure Bellow.
• Heroic Sacrifice: Twice! First he stalls long enough for the Park Crew to escape, though they use the opprotunity to help save the rest of the Space Tree instead, and then he holds the door for them and stays behind to keep it up.
• Jerkass Has a Point: While he screwed up trying to push Benson using a Drill Sergeant Nasty persona, he points out that their combat training does have a purpose, as not every alien they encounter will be friendly, as proven by their encounter with the Reaperbots.
• Manly Facial Hair: Leads the Space Tree Station as commander and sports a mustache.
• Nice Job Breaking It, Hero: Nearly causes Benson to leave trying to do reverse psychology.
• Reasonable Authority Figure: Behind his gruff demeanor is a truly caring captain who at worst gives out pushups or a just punishment for endangering other crew members, and in the latter case offers an alternative when asked.

Chance Sureshot

Voiced by: Matthew Mercer

Debuted in: Season 8, "Cool Bro Bots"

A bumbling Space Tree Ranger.

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• Back from the Dead: Revived after Anti-Pops' death.
• Butt-Monkey: His friends don't like him and "Missing Wallet" ends with him still trapped after it's revealed his wallet had no money in it.
• Brooding Boy, Gentle Girl: Gender Inverted Chance is the goofy, perky, fun, Gentle Guy to Sally's Brooding Babe.
• Clone Army: It's later revealed that he has an army of clones.
• Crouching Moron, Hidden Badass: Despite his lack of skill with a gun, he's still a decent fighter and is crucial in the fight with the Reaperbots and later saves the Dome from imminent destruction. Though this turned out to be a clone.
• Expendable Clone: He can send out any of his numerous clones to pull off sacrificial moves.
• Heroic Sacrifice: He shoots himself into space suitless to save the Park Dome and allow them to escape. Though it's later revealed to be a clone of his.
• Imperial Stormtrooper Marksmanship Academy: Utterly awful at aiming.
• Ironic Name: Despite his full name, he has terrible aim.
• No Celebrities Were Harmed: Physically resembles Mal Reynolds.

Toothpick Sally

Voiced by: Vanessa Marshall

Debuted in: Season 8, "Cool Bro Bots"

Another Space Tree Ranger who constantly has a toothpick in her mouth.

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• Action Girl: By far the strongest of the Space Ranger trio.
• Back from the Dead: Revived after Anti-Pops' death.
• Brooding Boy, Gentle Girl: Gender Inverted Sally is the serious, stoic, cold, Brooding Babe to Chance's Gentle Guy.
• The Comically Serious: She keeps a stoic demeanor while accompanying the more bumbling Chance and the cast's misadventures.
• Hidden Depths: "The Space Race" shows that she's an expert racer for space racing, enough to teach the Space Tree's best.
• Perpetual Frowner: She never smiles and her frown is her default expression.
• Only Known By Her Nickname: Though given the universe she's in, it's likely that is her name.
• Oral Fixation: Always has a toothpick in her mouth. It turns out to also be a grenade.
• Ship Tease: Is seen on a date with Skips in "The Evil Brain".
• The Stoic: She's almost never seen smiling, her default facial expression pictured above.

Recap Robot

Voiced by: Matthew Mercer

Debuted in: Season 8, "Cool Bro Bots"

The final member of the Space Tree Ranger trio. A robot who provides helpful information.

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• Back from the Dead: Revived after Anti-Pops' death.
• Beware the Nice Ones: Kind, helpful... and just as badass as his friends.
• Cute Machines: An encouraging machine with a screen to smile with.
• Mr. Exposition: For the Space Tree and for any planets the crew visits.
• Nice Guy: Always cheerful and helpful.
• Paper-Thin Disguise: Apparently all he needs to pass for human is a beard and a hat saying "I Love Emotion."
• The Pollyanna: He always keeps a chipper tune, even in the face of more dire situations.
• Robot Buddy: Optimistic, cheerful, and always willing to help the cast and his crew.

Other Friends and Allies

Sensai

Voice by: Sam Marin

Debuted in: Season 1, "Death Punchies"

The Death Kwon Do Instructor, Sensai, is an overweight martial arts instructor who teaches the fighting style of Death Kwon Do and is now a deli owner

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• '80s Hair: His mullet.
• Acrofatic: Despite his pudgier build, he's capable of performing devastating techniques from Death Kwon Do.
• Big "NO!": He lets it out three times in "Death Punchies", when Mordecai and Rigby steals from his Death Kwon Do book and when someone Death Kwon Clogged the toilet.
• Blatant Lies: Claims that his Sandwich of Health is a healthier option on his menu in "Death Kwon Do-Livery." After having eaten it daily, his stomach explodes the second he takes another bite.
• Body Horror: His Sandwich of Health causes his stomach to explode.
• Clothes Make the Superman: His mullet, his cut-off jeans, and being shirtless is only way to do Death Kwon Do.
• Doomy Dooms of Doom: Loves to add "Of Death" to everything, as is tradition for his martial art.
• Everyone Calls Him "Barkeep": Regarded as "Sensai," and his real name is not mentioned.
• Everyone Has Standards: While he can be threatening, he at first refuses to teach Rigby Death Kwon Do stating that the purpose is self-defence not simply hitting harder. He also refuses to teach him the Death Punch stating his reason being that Rigby only wanted to beat up Mordecai and isn’t pure of heart.
• I Know Kung-Faux: He's known for being an experienced student of Death Kwon Do, a system that prioritizes its outfit in order to execute logic-defying moves.
• Lethal Chef: Opens a restaurant dedicated to Death Kwon Do-made food, like the Sandwich of Death. If the dishes are eaten incorrectly, they will kill the customer, and the Sandwich of Health that he invented caused his stomach to blow up. Ironically, this is what attracts customers.
• Manly Facial Hair: His facial hair compliments his outfit and skill as a deadly martial artist.
• Martial Arts for Mundane Purposes: Downplayed; he does use Death Kwon Do for culinary work but is clearly following the martial art's teachings that are specifically dedicated to it rather than fully repurposing it.
• Nutritional Nightmare: His Sandwich of Health is said to be even greasier than regular meatball subs, and it almost kills him and his student after they eat many of them.
• A Pupil of Mine Until He Turned to Evil:
  • While he isn't evil, he stole the recipe for the Death Sandwich and mass-produced it without his master's consent.
  • He ironically falls victim to it himself when he refuses to let his student Jerry try the Sandwich of Health.
• Spell My Name With An S: Even though the real word is "Sensei," in the credits, his name is written as "Sensai".
• Turn the Other Cheek: He forgives Mordecai and Rigby for ruining his Death Kwon Do business and even helps them when Benson eats the Death Sandwich incorrectly.
• Verbal Tic: He would say "...of death" a lot in "Death Punchies".
• Walking Shirtless Scene: All Death Kwon Do practitioners do not require a shirt.
• Wax On, Wax Off: Parodied of course. He subjects Jerry to several errands and tasks that are unrelated to Death Kwon Do's sandwich-making.

The Guardians of Eternal Youth

Voiced by: David Kaye, Roger L. Jackson, Robin Atkin Downes, J.G. Quintel, Troy Baker

Debuted in: Season 1, "Free Cake"

Supernatural beings resembling giant, floating babies. Responsible for granting Skips his immortality. They also enjoy cake.

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• Absurdly Powerful Student Council: They were this in high school. And they were also the glee club.
• Babies Make Everything Better: Unless you anger one of them.
• Big Damn Heroes: They arrived to help the park workers in "Exit 9B".
• The Comically Serious: A lot of the humor comes with the juxtaposition of their deep voice and heavenly positions while still being giant babies and the moments they have with that.
• Deal with the Devil: Though more benign than most examples, they still have harsh consequences if Skips fails to do a ritual every year on his birthday.
• Death of a Child: In "Fists of Justice", one of them has a mace shot through his chest and dies.
• Everyone Went to School Together: In "Skips' Story", he attended high school with Skips, Gary, and Klorgbane during the 18th century.
• Eyes Always Shut: Sometimes.
• Good Is Not Nice: They are firmly on the side of good, but can be difficult to deal with.
• Killed Off for Real: There used to be five of them, but one of them was killed in "Fists of Justice".
• Manchild: While they do act mature, they're still babies at the end.
• No Name Given: The only named Guardians are Archibald, who dies about 5 seconds after we hear it, and Reginald.
  • Averted in "Skips Story" but only in the credits, the rest of them are Oswald, Boswald, and Griswold.
• Power Floats: They all float, likely due to them being magical creatures.
• Really 700 Years Old: They encountered Skips at some point and made him immortal and they have him fight their evil brother every 157 years.
• Sweet Tooth: They love cake. It's what saves Skips from being aged to dust.

Gareth "Gary"

Voiced by: Robin Atkin Downes

Debuted in: Season 1, "Free Cake"

The mysterious chauffeur for the Guardians of Youth.

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• Absurdly Powerful Student Council: He was a member of the student counsel with the Guardians of Eternal Youth during high school.
• A Day in the Limelight: In the episode "Gary's Synthesizer"
• Big Damn Heroes: He arrived to help the park workers in his car in "Exit 9B".
• Cain and Abel: He's the Abel to his evil half-brother David's Cain.
• Cool Car: His flying El Camino.
• Everyone Went to School Together: In "Skips' Story", he attended high school with Skips, the Guardians of Eternal Youth, and Klorgbane during the 18th century.
• Human Aliens: Aside from the light emanating from him and the stars in his eyes, he resembles a human closely.
• No Celebrities Were Harmed: The creators state he's based off of David Bowie.
• Planet of Hats: He hails from the planet Synthos, which the inhabitants are all synthesizers with humanoid forms.
• Power Glows: He always has some sort of aura accompanying him.
• Punch-Clock Villain: Whenever he's seen on the opposite side of the heroes, he's stated he's just doing his job. Further proven when he represents Mordecai and Rigby in Cool Court, and is clearly trying his best to help them.
• Really Royalty Reveal: He's the king of Synthos, having left from there 200 years ago.
• Rightful King Returns: The residents of Synthos reveals that Gary is the actual king of Synthos, and after regaining his physical form, he challenges David to a musical duel and won, reclaiming his reign.
• The Stoic: He expresses his emotions mildly and keeps reactions minimal.
• Wingding Eyes: His eyes are golden stars.

Baby Ducks

Voiced by: J.G. Quintel, William Salyers, Sam Marin, & Mark Hamill

Debuted in: Season 2, "A Bunch of Baby Ducks"

A bunch of baby ducks that Mordecai and Rigby found in the park fountain. They imprinted on Rigby and started following him around and copied his actions. They are able to fuse together and transform into a giant human with a duck's head.

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• All Your Powers Combined: When they transform into a giant.
• Armored Villains, Unarmored Heroes: In the first part of the fight, but it's subverted when they gain a Powered Armor.
• Attack of the 50-Foot Whatever: When they fuse together.
• Badass Adorable: Adorable duckies who can turn into a building sized kicker of ass.
• Bag of Holding: Their combined form wears the Energizer Pack (fanny pack) from "But I Have A Receipt".
• Big Damn Heroes:
  • In "A Bunch of Baby Ducks", when the Duck Collector is about to attack Rigby, the ducks morph together to become a giant and kills him.
  • In "A Bunch of Full Grown Geese", just before the geese were about to drop a tree on Mordecai and Rigby, the ducks arrives and fires a laser at the tree.
• Continuity Cavalcade: Their power armor is full of this. See Powered Armor.
• Extremely Protective Child: They really don't like it when someone hurts their mom or their friends.
• Fearless Infant: They don't flinch when Rigby tries to scare them away.
  • They also don't think twice about picking a fight with a snake. And proceed to beat it into submission.
• Finishing Move: Their combined form seems to use a flaming karate chop as this.
• Fusion Dance: Can combine into a giant.
• Imprinting: They imprint on Rigby, which leads to them picking up his habits.
• Instant Expert: The baby ducks are able to pick up on what Rigby does.
• Jerk with a Heart of Gold: Even though they refer Mordecai and Rigby as losers, they are still friendly and respectful to them.
• No Name Given: The name of each duck is never given.
  One of the Baby Ducks: Yo, other baby ducks, Mordecai's coming!
• Not Allowed to Grow Up: Ever since their debut, they haven't aged at all. While they can talk and do certain activities, like playing video games and skateboarding, they're still referred to as babies.
• Powered Armor: Mordecai and Rigby manage to give their combined form a suit of this later on, which they pilot like a giant mecha.
  • Cool Helmet: They wear the "I'm Eggscellent" trucker cap from "Eggscellent" that turns into a helmet with horns that resembles Rigby's tail.
  • Heroes Prefer Swords: Uses the Immunity Sword from "But I Have a Receipt".
  • In a Single Bound: They wear basketball shoes that resembles the shoes from "Cool Bike" that helps them jump really high.
  • Instrument of Murder: They are equipped with "The Power" keyboard from "The Power".
  • Power Fist: Uses the PlayCo Armboy from "Over the Top" on their left arm and the Maximum Glove from "Video Game Wizards" on their right.
  • Power Source: Their armor is powered by RadiCola from "Party Pete".
  • Rocket Punch: They use the Maximum Glove from "Video Game Wizards" as this.
• Red Eyes, Take Warning: When they transform into a giant or when they are giants.
• Sibling Team: They're all related.
• Suddenly Voiced: By the end of "A Bunch of Baby Ducks", they first start talking when they fuse to become a giant and we hear one of them talk when they thank Mordecai and Rigby. In "A Bunch of Full Grown Geese", all of them starts talking.

God of Basketball

Voiced by: Carl Weathers

Debuted in: Season 3, "Slam Dunk"

The god of basketball who can also coach people on how to play basketball.

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• Badass Cape: He always wears a golden cape.
• Berserk Button: Don't you dare bad-mouth basketball.
• Big Damn Heroes: He arrived to help the park workers in "Exit 9B". He comes back again in "Bank Shot" to tell Rigby that his "double or nothing" shot from early in the episode was still in play.
• Cool Car: He drives a custom designed white flying Cadillac Escalade.
• Genius Bruiser: Since he's a deity that watches over basketball he has a lot of knowledge about the game and is a very well skilled player.
• Gentle Giant: Justified since he's a basketball player.
• God Is Good: He is willing to train Mordecai and Rigby to play basketball even after Mordecai bad-mouthed basketball. He plays fairly when he has to sub for High Five Ghost and gives Muscle Man basketball powers. In "Bank Shots", he informs Rigby that his "double or nothing" shot was still in play.
• Graceful Loser: Even thought he lost to Mordecai and Rigby, he's still a good sport and congratulates them after the game.
• Half-Human Hybrid: He has the body of a human but has a basketball for a head.
• Hard Work Hardly Works: He tries to train Mordecai and Rigby to play basketball but they fail spectacularly. He gives up and just gives Mordecai and Rigby the power to play basketball.
• No Celebrities Were Harmed: He clearly resembles Kareem Abdul-Jabbar.
• Odd Job Gods: No one would expect a deity to be in control of a game that shoots a ball into a hoop.
• Physical God: Nearly unbeatable in a game of basketball.
• That's No Moon: He lives inside a Medieval castle-styled basketball stadium inside the moon.

Techmo

Voiced by: Steve Blum

Debuted in: Season 3, "Skips vs. Technology"

A technomancer who is a friend of Skips from centuries ago.

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• Ambiguously Human: He looks humanoid but he has green skin and pointy ears.
• Artificial Limbs: During the American Revolution, he lost his arm and Skips replaces it with a wooden arms. Centuries later, he upgrades his arm to a robotic version.
• Big Damn Heroes: He arrived to help the park workers in "Exit 9B".
• Call-Back: His robo-arm is made by Yoshimoto Cybernetics, the same company that makes the Playco Arm Boy.
• Cool Car: He drives a DeLorean DMC-12 and has a car specifically for storm chasing.
• Holographic Terminal: He can summon these when he has to fix a computer.
• Katanas Are Just Better: Carries a katana with him.
• Meaningful Rename: His name was Samson, but once he became a technomancer he changes his name to Techmo.
• Mystical White Hair: While it does show his age, it also further shows that he's beyond the young man Skips once knew in the 18th century.
• No Shirt, Long Jacket: Part of his main attire is a long black coat with no shirt underneath.
• Older Than They Look: He seems to be immortal like Skips since he's been around since 1783.
• Pointy Ears: Has them as part of his design, possibly making him some sort of species other than human.
• Romanticism Versus Enlightenment: The Enlightened to Skips' Romantic.
• Unusual User Interface: He can literally plug himself into a computer with a USB cable.
• The Virus: He temporarily became one in "Skips vs. Technology".

Eggscellent Knight

Voiced by: Jeff Bennett

Debuted in: Season 3, "Eggscellent"

• 24-Hour Armor: He is never seen in any other attire.
• Cool Old Guy: He's been active for over a thousand years, guarding treasures and artifacts that Mordecai and Rigby seek out. He's even willing to help them out as much as he can.
• Inexplicably Awesome: He mainly appears to guard and explain mythical artifacts and has none of his history ever explained.
• New Job as the Plot Demands: In "Eggscellent", he worked as somebody waiting for a winner of the Eggscellent Challenge, but because that only happens every 1,000 years, he spent the rest of his time in an old game store. By "Gamers Never Say Die", the game store had flown away, along with his job, so in "Garage Door," he now works in the House Warehouse. His final appearance is in "Ice Tape," where he is the guardian of the fire VCR, the ice VCR, and the seemingly normal VCR.

Santa Claus

Voiced by: Edward Asner

Debuted in: Season 4, "The Christmas Special"

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• Badass Santa: Oh yes. Stops his head elf from creating a dangerous item from dark magic and when he goes behind his back to get it, Santa chases him down before crashing into the park and entrusting the gift for Mordecai and Rigby to dispose of.
• Big Fun: Somewhat averted. While a big guy, Santa is not fat at all and he is pretty grumpy throughout the episode. Justified, given the fact his head inventor made a supremely dangerous item and had to stop him. He loosens up a bit considerably when the job is done.
• Bulletproof Vest: How he survived getting shot by Quillgin. It also makes him look a bit rounder than he actually is, (especially with the sweater on.)
• Expecting Someone Taller: When Mordecai and Rigby first encounters him, they don't believe he's Santa due to his appearance not matching what everyone imagines. Santa says that TV producers made up his appearances.
• Hell-Bent for Leather: Wears a sweet leather longcoat over his holiday sweater.
• Heroic Build: Underneath his holiday sweater (and the bulletproof vest under his sweater), Santa is quite built.
  Muscle Man: Pa-rum-pa-pum-pum! Santa's got a six pack.

RGB2

Voiced by: Sam Marin

Debuted in: Season 4,"That's My Television"

Hope you saved room for dessert!

A talking robotic TV set and the star of the popular 80s sitcom, That's My Television. He actually wants to break free of stardom and seeks Mordecai and Rigby's help.

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• And I Must Scream: He's been trapped in a mobile TV box for years and can only survive with a steady supply of air from the 80s. Judging by the timespan, he's been in that box since he was a teenager.
• Celebrity Is Overrated: Oh lord, like you'd never believe. RGB2's career was a miserable life of virtual slavery, confined to a small prison and forced to keep the act going to appease greedy TV executives and obsessive fans.
• Character Catchphrase: Two cheesy sitcom ones: "I hope you saved room for desert!" and "Hey, It's my turn to Drive!"
• Cool Old Guy: Well, he's been around since the 80s and he's a very old, decrepit man inside that TV. Nonetheless he's a cheerful and friendly fellow.
• Disney Death: At the end it looks like he passed away after finally seeing the mountains he longed for, but he really was just resting and shows up alive (albeit still in his box) in a few later episodes.
• The Dog Bites Back: He finally gets a chance to fight back against his captors with Mordecai and Rigby's help.
• I Just Want to Be Free: All he wants is to be free of his hellish life as an actor, and to see the Pine Mountains with his real eyes.
• Man in the Machine: He's actually a weak, elderly man operating a small robotic box that keeps him alive with "air from the 80s".
• Meaningful Name: "RGB" is the abbreviation for red green blue, the colors for TVs.
• Nice Guy: For how depressing his life is, RGB2 is kind and grateful to the two for freeing him.
• Shout-Out Theme Naming: His name is a parody of the Star Wars droid R2D2.
• TV Head Robot: He's a talking TV set with tubular arms and a digital face.Or so it seems.
• Unrobotic Reveal: The talking TV turns out to be a suit operated by the real RGB2 - an aged human actor imprisoned for years.
• Walking Spoiler: Or rather rolling, since it's unlikely he can walk after years in that box.

Roxy

Voiced by: Kate Micucci

Debuted in Season 8, "Fries Night"

A floating rock who runs "Roxy's Famous Fries", a fry food truck that visits the Space Tree.

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• Animate Inanimate Object: She's a living rock.
• The Cameo: Is mentioned briefly in "Spacey McSpace Tree" and Rigby being banned from her truck is the catalyst for him trying to find a way around his punishment.
  Rigby: Her butt salt is delicious!
• Human Resources: Uses salt from her own butt in the fries. Surprisingly, it's quite delicious.
• A Lizard Named "Liz": She's a sentient floating rock named Roxy.
• Manic Pixie Dream Girl: Deconstructed, as while she gets Benson out of his funk, he rejects her due to still dealing with Pam dumping him.
• Nice Girl: Is more than willing to let Benson tag along on her supply run after realizing just how depressed he is and tries her best to cheer him up. She's also understanding when Benson lets her down due to still getting over Pam.
• Rock Monster: Is a floating rock.
• Ship Tease: With Benson. While he lets her down, he lets her know he's flattered and only does so because he's still getting over Pam and flirts with her at the end of the episode.
• Supreme Chef: Her fries are the best in the Galaxy and she backs it up. Justified as she uses only the best ingredients and only focuses on the one dish.
• Tertiary Sexual Characteristics: Has a pink bow to physically show she's a girl.

Earl

Voiced by: Feodor Chin

Debuted in: Season 8, "The Ice Tape"

An old teacher the crew meet in space sent to train Pops for his confrontation with Anti-Pops.

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• Big Good: Earl takes up the role in the second half of season 8 until his death at Anti-Pops' hands. He has trained all previous incarnations of Pops, and has tattoos all over his body for every time Pops and Anti-Pops fight. Likewise, for several episodes, Earl trains Pops and helps him get through the fact he has to fight his brother, explaining that he must defeat Anti-Pops or the universe will reset itself once again.
• Fan Disservice: To prove that he's not bluffing about the universe being reset with every stalemate, he takes his robe off to show his many, many tattoos, which get applied every time it happens.
• Fourth-Wall Observer: In terms of Training Montages, where he's fully aware of what they're capable of while everyone at The Park remains confused by their effects.
• Fundoshi: Shown wearing one when he presents his tattoos.
• Heroic Sacrifice: After Pops' attempts to talk Anti-Pops down fail, he holds off Anti-Pops while the Park Crew get Pops to safety, getting erased in the process.
• I Know Kung-Faux: A parody of elderly martial arts masters in cheesy movies whose purpose is to train Pops into tapping into his supernatural powers. When asked about Krav Maga and Death Kwon Do, he dismisses them as insignificant compared to what he's going to teach.
• Inexplicably Awesome: A wise old master whose history is never elaborated upon. All we need to know is that he's responsible for getting The Chosen One ready to defeat his Evil Counterpart and that he has trained every single one of Pops' previous incarnations.
• I Was Quite a Looker: Looked much more fit back in the day.
• Jerkass Has a Point: He may be a rude and condescending master, but he's telling the truth when he promises that he's training Pops to defeat Anti-Pops and that failing to break their stalemate will lead to dire consequences.
  Mordecai: What did you show him?!
  Earl: Only the truth.
  Mordecai: Not cool, Earl.
  Earl: Sometimes, the truth is not cool.
• Lawyer-Friendly Cameo: He's Pai Mei mixed with every other old master in Hollywood martial arts flicks.
• Magical Asian: The mentor for a reality-warping Chosen One is an old martial arts master.
• Mooching Master: What The Park and especially Pops believe about him initially. He proves himself to Mordecai and Rigby with his skill, then tells Pops a harsh truth.
• Old Master: Designed as such and no slouch in the combat department.
• Only I Can Kill Him: He reasons that Pops is the only one capable of defeating Anti-Pops. Even if he wanted to, Earl's power can't match that of He Who Will Erase Us.
• Really 700 Years Old: Has lived through countless death and re-births of the universe due to the Pops and Anti-Pops' battle. He hopes the current iteration will be able to break their stalemate.
• Scare 'Em Straight: A variant of this, where he shows Pops a vision of a previous universe to show the consequences of failing to beat Anti-Pops so that he can focus on his training.
• Storyboard Body: Every time the universe resets, he gets another tattoo of Pops on his body.
• Training Montage: Exploited by him as a technique, which allows for Pops to go through several exercises in quick succession. At faster rates, it's capable of condensing time and space to allow for Pops to do several weeks' worth of training in a single day by accident.
• Virtuous Character Copy: Earl is definitely a virtuous take on Pai Mei. They have bushy eyebrows, and long hair which is kept up in a ponytail, as well as a large beard. They also teach a protagonist to fight. However, whereas Pai Mei was the Evil Mentor bordering on becoming sadistic, Earl is an good-aligned Mentor Archetype who adapts Mr. Miyagi's method of training, and he is also shown to have an empathetic side, as he tells Pops that his friends will all be there for him.
• Wax On, Wax Off: Parodied. After doing menial tasks for Earl over and over again, Pops becomes able to tap into his reality-shaping powers. He even makes Pops do the Trope Namer as "wax apply, wax remove".
• When You Snatch the Pebble: Part of his training to Pops involved this like any classic kung fu master. He challenges Rigby to attempt this when Mordecai and he call him out as a fraud. Needless to say, he quickly proves he's the real deal.
• Wizard Beard: Sports one as part of his appearance as a mystical mentor.

Miscellaneous

Party Pete (Peter Hermanverfal)

Voiced by: Jeff Bennett

Debuted in: Season 2, "Party Pete"

A party entertainer that Mordecai and Rigby hired to help liven up their party.

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• Balloon Belly: After drinking several Radicolas which gave him strange powers. After finding out Benson was going to return to the park to see what all the commotion was about, the gang had to keep giving Party Pete Radicolas so he'll burn out in order to get rid of him before Benson showed up, thus ending Mordecai and Rigby's party with a bang.
• Big Eater: Big Drinker, rather. He consumes several cans of RadiCola to the point where he expands and explodes.
• Cerebus Retcon: He original started off as a one-off character in an early episode. By "Party Re-Pete," we find out that he's really been held captive and cloned for his party-enhancing abilities.
• Chekhov's Gun: His ice sculpture of a urinal is used to defeat him in his first appearance.
• Expendable Clone: It turns out the Party Pete that we saw in his debut is actually a clone who would explode when the party is over.
• Hidden Depths: When the real Pete is released from the cloning chamber, he reveals that his real passion is in playing Sudoku.
• Incoming Ham: "PARTY PETE IN THE HOOOUUSE!"
• Large Ham: Delivers his lines with much excitement, done on purpose to cheer the party on. At least, his clones are. When The Park finds his real self, he's much more calm.
• Life of the Party: Exploited by him and his company, having him hired to lighten and improve parties. He does state, however, that Benson does moreso than he himself did.
• Medal of Dishonor: If people are only able to pay for his services for a couple of minutes, he brings along an ice sculpture of a urinal in place of the massive horse.
• Nice Guy: He's a pretty friendly and casual person.
• No Celebrities Were Harmed: The creators confirm he's based on Europop singer, Günther.
• Paid Harem: The women that accompany him are more like handlers that make sure his clones do their job.
• "Pop!" Goes the Human: Pete's clones take cola to the point where they expand and blow up.
• Power-Up Food: He gains the ability to use energy attacks if he drinks soda.
• Trademark Favorite Food:
  • He loves RadiCola, or at least his clones do, to the point where he's willing to continue his gig if Mordecai and Rigby keep them coming.
  • He and the other Party People gain power through soda consumption.

Death

Voiced by: Julian Holloway

Debuted in: Season 2, "Over the Top"

"Your Soul Is Mine!."

An undead soul collector and Skips' arch nemesis.

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• Affably Evil: He genuinely cares about his family, always follows his word, and you kinda get the idea he's enjoying himself while playing these various games against Skips.
• Anti-Hero: He helped the gang defeat Garrett Bobby Ferguson, Jr. and his henchmen in "Exit 9B".
• Badass Biker: Death rides a supernatural motorcycle, and is definitely a badass.
• Big Damn Heroes: He arrived to help the park workers in "Exit 9B".
• Blood Knight: Death relishes a challenge and loves competing against Skips.
• Chess with Death: Whenever he appears, he's willing to let mortals keep their souls if they beat him at a contest/game, or do favors for him. Examples include arm wrestling, bowling, hot dog eating, and babysitting his son Thomas.
• Clark Kent Outfit: Downplayed, but whenever he wears something long-sleeved, it conceals the fact that his left arm is extremely muscular.
• Death Is a Loser: Death never wins at anything. He lost to Skips' arm-wrestling in "Over the Top", he got beaten by the Park Strikers in "Skips Strikes", and he got himself disqualified for vomiting during a hot dog eating contest in "Last Meal".
• Did You Just Scam Cthulhu?: Skips was able to beat Death at arm-wrestling by cheating with a strength-empowering toy. Although Death doesn't really call him out for it.
• Enemy Mine: He is temporarily counted among the park crew's allies in "Exit 9B". Of course, he may have just been doing his job; Exit 9B was built to let all of the show's dead villains out of the underworld.
• Even Evil Has Loved Ones:
  • Has a wife and son he seems to actually love.
  • In the penultimate episode, Death admits that he genuinely cares for Pops as a friend, and decides to break his "no involvement with the living world" rule so that Pops has an edge against his brother in the finale.
• Even Evil Has Standards: He may be the grim reaper, but even he was disgusted by Muscle Man and Starla making out in "Last Meal".
• Evil Brit: He resembles British rocker Lemmy and is voiced by British voice actor Julian Holloway.
• Final Boss: Of Cartoon Network Battle Crashers
• Friendly Enemy: Sometimes. Even though he's usually an antagonist, he teamed up with the park crew in "Exit 9B". He also helps Muscle Man propose to Starla by getting him his aunt's ring from the underworld in "The End of Muscle Man", and he's one of the characters that come to the crew's rescue in the finale.
• Go-Karting with Bowser: He often ends up playing various games with the main characters (usually Skips), such as an arm-wrestling match or playing him in a bowling tournament. Granted, your soul is on the line in these matches, but still, it's the principle of the thing. The only contest he enters without putting anything in line was the pie-baking contest.
• The Grim Reaper: For obvious reasons as he is a collector of a souls and uses a scythe for when someone's time is up.
• Henpecked Husband: Has a wife and seems to genuinely love her, although he is rather submissive to her.
• Hidden Depths: He's very knowledgeable on rock music and its lifestyle when he helps Mordecai, Rigby, and Benson get into the Rock & Roll Underworld. It doesn't help that he's based off a rock musician.
• I Gave My Word: Thus far, he's always kept his word when he's made a deal with a mortal.
• Jerk with a Heart of Gold: He is a very blunt and sarcastic individual who is often seen as being very rude towards most people, as well as being very ruthless with his usage of death threats and underhand tactics. However, he isn't without a heart as he dearly loves his family and once he's defeated by Skips in arm wrestling he becomes very helpful towards Mordecai and Rigby as well as the other Park employees. Such as giving them many second chances to not have their souls taken by him and even assisting them in many battles and even allowing them to bend the rules for certain situations.
• Lean and Mean: Except for his disproportionately muscular right arm, which his leather jacket conceals well.
• Lethal Chef: Mordecai and Rigby agree that the pie he entered for the contest was awful.
• No Celebrities Were Harmed: His appearance is based on Lemmy from Motorhead.
• The Noseless: Justified, as it decayed off a long time ago.
• Parental Obliviousness: He and his wife have no idea that Thomas can talk and his true age. They don't even question why he was under a chandelier when it dropped on him.
• Punch-Clock Villain: Although he may enjoy taking souls a little too much.
• Sinister Scythe: He wields one, as is typical for most depictions of Death.

Chad and Jeremy

Both voiced by: Roger Craig Smith

Debuted in: Season 3, "Replaced"

A possum and ostrich that Benson offers positions to when he plans to replace Mordecai and Rigby.

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• Butt-Monkey: They both get antagonized by Mordecai and Rigby when they try and clean the boats.
• Extreme Doormat: Subverted. They're polite and may look like Geeks, but they're not people to be pushed around or is willing to submissive as Mordecai and Rigby find out the hard way after one of their failed sabotages gets exposed.
• Foil: To Mordecai and Rigby. While Mordecai and Rigby are a pair of two that work at the park, the two are slackers who go commando, frequently fight, have basic education at best, and usually only fight if the situation comes to it. Chad and Jeremy are fully clothed, take their work seriously, received degrees from The Institute of Technical Technology, appear to always agree with each other, and are likely to start a fight if pushed.
• Genius Bruiser: They graduated with degrees from The Institute of Technical Technology and are capable fighters who can match Mordecai and Rigby in a Mirror Match.
• Get Out!: Once Mordecai and Rigby's sabotage catches on to them, Jeremy angrily demands that they get lost. When Mordecai refuses while also being a Deadpan Snarker, Jeremy repeats himself, and this time, giving a hard shove as a first warning.
• Hero Antagonist: They're technically the antagonists as Mordecai and Rigby are trying to get them both to not finish their jobs, while Chad and Jeremy are trying to finish their work. However, Mordecai and Rigby are in the wrong for purposely messing up their site so that they'll keep their jobs.
• Hipster: Their snobby cynical attitudes, clothing, and use of Apple products fit this culture.
• Jerkass Has a Point: While resorting to violence isn't usually a good idea, they're justifiably angry with Mordecai and Rigby for attempting to sabotage their work. Especially since Mordecai and Rigby are technically at fault for nearly losing their job positions thanks to their slacker tendencies beforehand.
• Screw This, I'm Outta Here: After all the antics when they're offered the positions, they decide that the park is too crazy for them to work at.
• Snobs Versus Slobs: The snobs to Mordecai and Rigby's slobs.
• Those Two Guys: Both of them are never seen apart from each other.

Gene

Voiced by: Kurtwood Smith

Debuted in: Season 3, "Prankless"

A snack vending machine who's the park manager of East Pines park.

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• Alternate Universe Reed Richards Is Awesome: In the Bad Future timeline shown in the Movie, Gene is revealed to be the leading the Galactic Park Rangers and turns up in the climax rallying the final assault on the Timenado. This is in contrast to Gene in the show who appears to have never joined the Galactic Park Rangers or even gone into space at all following Season 7.
• Always Someone Better:
  • He's a better park manager than Benson, able to win Park Manager of the Year several times in his career.
  • He loves taking prank wars farther and farther, but he can never contend with Muscle Man.
• Animate Inanimate Object: He's a walking, talking, snack vending machine.
• Arch-Enemy: He and East Pines serve as this to Benson and The Park.
• Big "NO!": Says this when Muscle Man floods his park with a gigantic water balloon.
• Deadly Prank: He took innocent pranks and turned it into warfare.
• Defeat Means Friendship: After "Prankless", he helps the gang in "The Christmas Special".
• Escalating War: He tends to use everything in his power to take pranking The Park even further.
• Even Evil Has Loved Ones: He has a wife and kid who are also vending machines.
• Even Evil Has Standards: Loves to mercilessly prank the members of the park, but not when the fate of Christmas is at stake.
• Evil Laugh: When he's antagonizing the park crew.
• Foil: To Benson. Both are managers of their respective parks and sentient snack dispensers, but Gene is much more successful and East Pines tends to have more facilities and capabilities, to the point where he can snub Park Manager of the Year at an awards ceremony over Benson. Also, while Gene is a family man, Benson is either single or still dating, and even when he marries Pam, they instead choose to raise pets together.
• Greater-Scope Villain: The documents he leaves in his office in "Chili Cook-Off" reveal that he was partially behind many of the show's prior events. More specifically, he has connections to Mr. Maellard and Dr. Dome of the Dome Experiments, he owns blue prints concerning the Spark Initiative, and it's shown that several businesses like Cheezer's are somehow used for his own gain as shell companies.
• Jerkass: Always takes the chance to flaunt his park's superiority over the cast in his appearances, and he takes prank wars to serious heights.
• Jerk with a Heart of Gold: He cares about his family and moves to help the cast when Christmas is in danger.
• Large and in Charge: Justified since he's a large vending machine.
• The Prankster: He's infamous for his prank wars and manages to gain an upper hand until Muscle Man comes out of retirement.
• The Rival: His park is the rival to the park that the cast manages, and he's specifically one to Benson as respective park managers, down to sharing the trait of being sentient food dispensers.
• Strong Family Resemblance: He shares being a living vending machine with the rest of his family.
• Token Non-Human: He's the only non-human working at the East Pine park.
• Vengeful Vending Machine: A living vending machine that actively antagonizes The Park.
• What Happened to the Mouse?: Despite numerous instances in Season 7 showing that Gene is a key figure in the Dome Experiments and the greater Spark Initiative, as well as appearing as the leader of the Galactic Park Rangers in the movie's Bad Future, for some reason Gene makes no appearance whatsoever after Season 7 when the Park and numerous others are launched into space to actually form the Galactic Rangers.

Principal Dean

Voiced by David Koechner

Debuted in: Regular Show: The Movie

The principal of West Anderson High School, the school that Mordecai and Rigby went to.

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• Hair-Trigger Temper: It doesn't take very much to set him off, especially when Rigby is involved.
• Jerk with a Heart of Gold: Despite his animosity towards Rigby, he makes Ross give him one last chance to pass his science class, and he allows Rigby to re-enroll in school to get his diploma, even though he clearly doesn't want to.

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