Main Characters (Terry McGinnis, Bruce Wayne) | McGinnis Family | Villains (One Shot Villains, The Joker) | Recurring Characters | Justice League Unlimited (Superman) | Comic-Only Characters
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The Justice League roster members who appear in the future Batman Beyond takes place in. For the previous members of the DCAU Justice League, see here.
Superman (Clark Kent/Kal-El)
Voiced by: Christopher McDonald
See here for more info. Warhawk
Spoiler Alias: Rex Stewart
Voiced by: Peter Onorati
Appearances: Batman Beyond | Justice League Unlimited
Voiced by: Peter Onorati
Appearances: Batman Beyond | Justice League Unlimited
A half-human/half-Thanagarian hybrid that's a part of the future Justice League.
- Actually a Doombot: Seemingly killed by Superman at the end of "The Call" Part I, but he returns in the second part; he reveals that he actually remote-controlled his armor at the time of the explosion.
- Affirmative-Action Legacy: Warhawk is the biracial son of John Stewart and Shayera Hol.
- Defrosting Ice King: Warhawk was the most vocal about having Terry alongside them in the Justice League. However, when Terry proves why he was chosen to be the next Batman, Warhawks's tune began changing, within the end him admitting he was wrong about Terry and is more than willing to accept him in the League. In Epilogue, when Terry announced that he's quitting, Warhawk was shocked and didn't want Terry to quit.
- Half-Human Hybrid: Half-human, half-Thanagarian.
- Luke, You Are My Father: To John Stewart and it was more like "Dad?"
- Power Armor: Which he can fly remotely.
- Razor Wings: Being the son of Hawkgirl, it's expected he'd take on this motif.
- Vitriolic Best Buds: Seems to have this relationship with Kai-Ro. The only time he smiles in the two-parter where he's introduced is when the young Green Lantern gives him a backhanded compliment. This could be a result of Rex being the son of the previous Green Lantern.
- Wolverine Claws: His armor has talons at the fingertips.
Big Barda (Barda Free)
Voiced by: Farrah Forke
Appearances: Superman: The Animated Series | Batman Beyond | Justice League Unlimited
Appearances: Superman: The Animated Series | Batman Beyond | Justice League Unlimited
A god from Apokolips who's a current member of the future Justice League.
See here for more info dealing with her in the rest of the DCAU.
- Action Girl: She was the best of the Female Furies and is from Apokolips. It's a give she's this.
- Amazonian Beauty: A tall, muscular knockout.
- Battle Couple: Barda and Mr. Miracle during the second season of Justice League. In the Beyond comic, surviving after being thought dead after an attack by Ouroboros, Scott joins the League for real to join his spouse.
- Boom Stick: The Mega Rod, which fires powerful energy blasts that forced a possessed Superman to retreat.
- Enemy Mine: In the episode "The Ties That Bind", she teams up with Kalibak to escape Vundabar's fortress. She makes it clear however that she has no problem almost dropping him but decides sparing him is better than leaving him for dead.
- Exposed to the Elements: She has no problem walking in the arctic wearing nothing but a two-piece.
- Magical Computer: The Mother Box, which opens up Boom Tubes.
- Mood-Swinger: She was very distrustful of Batman at first, but by the end of the second-part episode she sees him as a worthy teammate.
- Perpetual Frowner: Smiles every so often, but not a lot.
- Sky Surfing: With her aero-discs, she can glide in the air effortlessly.
- Statuesque Stunner: Just like her comic book counterpart, she is a tall, strikingly gorgeous woman.
- Tiny Guy, Huge Girl: Barda and Mr. Miracle, one of the original pairs.
- Tomboy and Girly Girl: The Tomboy to Mareena's Girly Girl.
- Top Heavy Girl: Unlike most of the female DCAU heroes, with the obvious exception of fellow Amazonian Beauty Wonder Woman, Barda is designed with an upper body that is bigger than the lower half of her body.
- Tsundere: She's not big on working with new people (Terry in "The Call," The Flash in JLU's "The Ties That Bind") without even being asked first, and is actually distrustful of Batman (Terry) when he joins them and immediately suspects him of being a traitor. She's a lot calmer around Mr. Miracle.
Green Lantern III (Kai-Ro)
A young Tibetan that has donned the Green Lantern ring and a current member of the future Justice League.
- Acting Your Intellectual Age: He's far smarter than he looks, almost zen-like with his intelligence. In fact, he was raised as such and the monstrary he was raised in believed he may be the next Dalai Lama.
- Affirmative-Action Legacy: John Stewart was an African American marine while Kyle Rayner was Irish/Hispanic. Kai-Ro is a young Tibetian Monk.
- Battle Aura: Usually has his green aura around him.
- Boring, but Practical: He's not flashy with his constructs, but he is very practical and gets the job done. It shows off his pratical nature along with reflecting the minimalistic tones of Buddhism he was likely raised in.
- Cain and Abel: Justice League Beyond Issue 21 delved into his backstory; it's revealed that he had an older adoptive sister whom he ended up parting ways with. Who was she? Curare.
- Connected All Along: In the comics it is revealed he and Curare grew up in the same monastery and saw her as a sister.
- Flight: Via the Green Lantern Ring.
- Heroic Willpower: He's a Green lantern after all.
- Levitating Lotus Position: He flies around this way.
- Mythology Gag: Kai-Ro shares a name with Green Lantern's Canon Foreigner sidekick (spelled Kairo) from the Filmation cartoons as an expy of Tom Kalmaku. However, that character was an alien, rather than a human here.
- Not So Above It All: He once gave Rex a resounding Dope Slap via his ring after he made an insensitive comment.
- Ring of Power: Naturally, since he succeeds Jon Stewart.
- Same Character, But Different: It's really debatable whether he's a reimagined version of the original Kai-Ro or his own character.
- Wise Beyond Their Years: He is younger than Terry in his debut and had already been around the universe.
Aquagirl (Mareena)
Daughter of Aquaman who has taken her father's place in the future Justice League.
- Actor Allusion: A princess from an underwater society, voiced by Jodi Benson. Are we talking about Aquagirl, or Ariel?
- Affirmative-Action Legacy: The daughter of Aquaman.
- Animal Talk: With marine life, anyway.
- Distaff Counterpart: To her own father.
- The Empath: It was her power to sense emotions that allowed the League to figure out what's really wrong with Superman, and later help find the Starros get home.
- Exposed to the Elements: Aquagirl was able to walk about in the arctic wearing nothing but a swimsuit.
- The Heart: Despite the circumstances of his joining, Aquagirl was friendly towards Batman (Terry). Overall she's less hotheaded than Barda and Warhawk, and more personable than Kai-Ro.
- Making a Splash: In her Justice League Unlimited appearance, she demonstrates the ability to control water.
- Nice Girl: She is considerably nicer and more personable than her father (a rather Hot-Blooded Knight in Sour Armor) and is the first League member to begin warming up to Terry.
- Only Sane Man: When Superman came to the League for dating advice, Mareena is the only one to give a decent tip. The rest have varying suggestions that Supes believes are not exactly normal. Including the resident Battle Couple for some reason.
- Our Mermaids Are Different: Being Atlantean, she doesn't come with a mermaid's tail for starters.
- Prefers Going Barefoot: As she's a Walking Swimsuit Scene who is at home in water, Aquagirl walks around barefoot.
- Rebellious Princess: Arthur was overprotective (with good reason) yet it only intensified Mareena's curiosity of the surface world. When she finally decided to sate that curiosity, Aquaman was not the least bit pleased and exiles her from Atlantis. The two reconcile their differences just in time for the League to ask Atlantis for help in repelling Brainiac's invasion, only for Aquaman to fall into a coma during the battle.
- Ship Tease: A little bit with Terry.
- Tomboy and Girly Girl: The Girly Girl to Big Barda's Tomboy.
- Walking Swimsuit Scene: Her uniform is nothing more than a tight black one-piece swimsuit.
- Water Is Womanly: An Atlantean with water powers and much more feminine in contrast to Big Barda.
Micron
A superhero with the ability to change size. He's a member of the future Justice League.
- Affirmative-Action Legacy: The African-American successor to The Atom.
- Big Damn Heroes: Despite being injured, he snuck up on Superman and battled him just long enough to save Terry.
- Chuck Cunningham Syndrome: Unlike the others, he never returns in the Justice League series, not even for a cameo.
- Mutant: He is actually a meta and was born with his size-changing powers.
- No Name Given: Unlike the other members of the JLU, his real name is unknown.
- Power Perversion Potential: His Beyond Origin in one of the Batman Beyond tie-in comics shows that when he was a teenager, he used his shrinking ability to spy on the girl's locker room by hiding inside a box of tampons.
- Sizeshifter: He can grow and shrink.
- Sole Survivor: Of the Justice League from Brother Eye's invasion. However, there's a reason for that. Micron was only alive and implanted with false memories to make the world believe his teammates have perished, except it's revealed that the League is actually in suspended animation.
