Justice League The
Justice League is the superhero team that protects the Earth from various threats. •
Atom / Ray Palmer (voiced by
Jason Marsden) is a superhero who can grow and shrink in size. He joined the Justice League in late 2010. Five years later, it is shown that Bumblebee has become his lab assistant. Designation: 18. •
Aquaman / King Orin / Arthur Curry (voiced by
Phil LaMarr) is a founding member of the Justice League and the king of
Atlantis. Aqualad served as his sidekick ever since he and Garth helped him defeat Ocean Master in the past. In the third season, Orin passes the mantle of Aquaman to Kaldur so he can focus all of his attention on ruling Atlantis. He is married to Mera, with whom he has one son. Designation: 06. •
Batman / Bruce Wayne (voiced by
Bruce Greenwood) is a founding member of the Justice League and the leader of the group. In an interview at Comic Con, Greenwood differentiates the portrayal of the Caped Crusader in
Young Justice: "He's younger, more of a father figure. He's tough, but not as broken (as in Greenwood's previous portrayal of the character in
Batman: Under the Red Hood)." In the third season, Batman forms
Batman Inc. to combat Lex Luthor's restrictions on the League. Designation: 02, later Z01. •
Batwoman / Kate Kane is a member of the Justice League and an associate of Batman. Though she joined in between the second and third seasons, she temporarily resigns alongside Batman, Green Arrow, and others in response to the United Nations' restrictions on the League. Designation: Z06. •
Black Canary / Dinah Lance (voiced by
Vanessa Marshall) is the Team's therapist and trainer, who later becomes the chairperson of the League.
Greg Weisman has said Black Canary's role on the show was in part because she is his favorite DC Comics character. Designation: 13. •
Black Lightning / Jefferson Pierce (voiced by
Khary Payton) is a hero who can manipulate electricity and is initially a member of the Justice League. In the third season, he resigns from the League after accidentally killing a young metahuman on Rann and is convinced to join Nightwing's Outsiders. At the end of the season, Black Lightning accepts the chairmanship of the Justice League from Kaldur'ahm. Designation: 23, later G01. •
Blue Devil / Daniel Cassidy (voiced by
Troy Baker) is a demon-like superhero who occasionally helps the Justice League, serving as the den mother of the Outsiders in the fourth season. •
Captain Atom / Nathaniel Adams (voiced by
Michael T. Weiss) is a member of the Justice League and its former chairperson. At the end of the second season, Captain Atom passes Chairperson duties to Black Canary. Designation: 12. •
Shazam / Captain Marvel / Billy Batson (voiced by
Rob Lowe in the first appearance,
Chad Lowe in later episodes, Robert Ochoa as Billy Batson in the first two seasons, Eric Lopez as Billy Batson in the fourth season) is a member of the Justice League who served as the substitute den mother when Red Tornado was missing. Considered by
IGN to be "the best superhero guest-voicing turn in some time. (Lowe) plays him like your goofy uncle (or little cousin?) who's trying way too hard to fit in with the cool kids. 'I'm really looking forward to hanging with you guys,' he blurts out with unabashed enthusiasm". Weisman notes that the character "will be an important recurring character in the series, so this could ultimately involve multiple episodes for Lowe." Designation: 15 (A05 as Billy Batson). •
Elongated Man (voiced by
David Kaye) is a member of the Justice League with stretching abilities similar to Plastic Man's. He makes his first appearance in the third season as part of the group of Justice League members seeking to rescue the trafficked metahumans in space. •
Fire is a member of the Justice League who can generate mystical green fire. •
Flash / Barry Allen (voiced by
George Eads in the first season and most episodes in the second,
James Arnold Taylor in "Endgame" and third season) is a founding member of the Justice League. He is the uncle of Wally West, who served as his sidekick, and grandfather of Bart Allen. Designation: 04. •
Flash / Jay Garrick (voiced by
Geoff Pierson) is the first Flash and a member of the Justice Society of America. He is initially retired, but joins the Justice League in the fourth season. •
Green Arrow / Oliver Queen (voiced by
Alan Tudyk) is an archer and a member of the Justice League and Batman Inc. He had Speedy as a sidekick and later Artemis and Arrowette. Designation: 08, later Z02. •
Green Lantern / Guy Gardner (voiced by
Troy Baker) is a
Green Lantern who occasionally helps the Justice League. Designation: 24. •
Green Lantern / Hal Jordan (voiced by
Dee Bradley Baker) is a founding member of the Justice League. Designation: 05. •
Green Lantern / John Stewart (voiced by
Kevin Michael Richardson) is a Green Lantern and a member of the Justice League. Designation: 14. •
Hardware / Curtis Metcalf is a member of the Justice League and Batman Inc. who wields a
high tech exo-suit. Designation: Z04. •
Hawkman / Katar Hol (voiced by
James Arnold Taylor) is a member of the Justice League and husband of Hawkwoman. Designation: 09. •
Hawkwoman / Shayera Hol (voiced by
Danica McKellar in the second season,
Zehra Fazal in the third season) is a member of the Justice League and wife of Hawkman. Designation: 10. •
Ice / Tora Olafsdotter is a member of the Justice League with cryokinetic powers who is often seen with Fire. •
Icon / Augustus Freeman (voiced by
Tony Todd) is an alien superhero and the mentor of Rocket. Designation: 20. •
Katana / Tatsu Yamashiro is a samurai-themed member of the Justice League and Batman Inc. who wields the Soultaker, a sword that can trap the spirits of anyone it kills. Designation: Z05. • '''
Martian Manhunter / J'onn J'onzz / John Jones''' (voiced by
Kevin Michael Richardson) is a founding member of the Justice League and Miss Martian's uncle. Designation: 07. •
Metamorpho / Rex Mason (voiced by
Fred Tatasciore) is a member of Batman's vigilante movement who can transform into any element. Designation: Z11. • '''
Plastic Man / Patrick "Eel" O'Brian''' is a superhero with elastic powers and a member of the Justice League and Batman Inc. Designation: 19, later Z03. •
Red Tornado / John Smith (voiced by
Jeff Bennett) is a robot who was created by T. O. Morrow to infiltrate the Justice League, only to defect to them. Designation: 16. •
Steel / John Henry Irons (voiced by Zeno Robinson) is a member of the Justice League and an associate of Superman. Designation: 36. •
Superman / Kal-El / Clark Kent (voiced by
Nolan North) is a founding member of the Justice League and Superboy's genetic donor. Designation: 01. •
Wonder Woman / Princess Diana / Diana Prince (voiced by
Maggie Q) is a founding member of the Justice League and the princess of the
Amazons. Designation: 03. •
Doctor Fate / Zatara / Giovanni Zatara (voiced by Nolan North) is a member of the Justice League and father of Zatanna who later becomes one of Nabu's hosts. Designation: 11 (as Zatara) and 17 (as Doctor Fate).
New Gods of New Genesis •
Forever People are a group of extraterrestrial superheroes from New Genesis. They can use their Mother Boxes to combine into
Infinity-Man. •
Vykin (voiced by
Kevin Michael Richardson) is the leader of the Forever People with magnetic powers. •
Big Bear (voiced by
Bill Fagerbakke) is a member of the Forever People with super-strength. •
Beautiful Dreamer (voiced by
Grey DeLisle) is a member of the Forever People with psionic powers. •
Serifan (voiced by
Dee Bradley Baker) is a member of the Forever People. He is fond of Westerns and dresses like a cowboy. •
Mark Moonrider is a member of the Forever People who can shoot bolts of energy from his hands. •
Orion (voiced by
Benjamin Diskin) is a
New God from New Genesis and Darkseid's son. He is claustrophobic and prone to rage, needing to be calmed down with a Mother Box. •
Highfather (voiced by
Mark Rolston) is the ruler of New Genesis and Orion's adoptive father. •
Lightray / Solis (voiced by Nolan North) is a New God of New Genesis who can fly and leave trails of light. •
Green Lantern / Forager (voiced by
Nika Futterman) is a female Bug from New Genesis who shares the same name as Forager. She later becomes a Green Lantern following Tomar-Re's death.
Villains The Light The Light are a secret society created by
Vandal Savage in an attempt to improve humanity. They view the superheroes as interfering with the natural order of things and that Earth must employ survival of the fittest if it intends to exist and thrive in an ever-changing universe. Among its members are: •
Vandal Savage (voiced by
Miguel Ferrer in the first two seasons;
David Kaye in later seasons following Ferrer's death) is the immortal founder and leader of the Light. Over the course of 15,000 years, Savage had gone by many names and conquered many lands for the sake of power. He convinced Klarion the Witch Boy to channel the latter's chaos power for the former's vision, and formed a partnership with Darkseid and Apokolips to conquer the entire galaxy before the two worlds battle each other for complete supremacy. His 'survival of the fittest' views are why he views the Justice League and other subsequent heroes as a constant obstacle for him and his colleagues. Despite this, he is willing to work with the heroes to defeat a third party (Light-partner or otherwise) if they potentially hinder his long-term plans. He was temporarily given the designation A04 near the end of the first season when the Justice League were mind controlled. •
Cassandra Savage (voiced by Zehra Fazal) is one of Vandal Savage's daughters and current heir, a member of the League of Shadows. In the fourth season, she uses a glamour charm to fake having lost an eye and arm. •
Olympia Savage (voiced by
Jenifer Lewis) is one of Vandal Savage's daughters. When she started to become senile, Vandal was forced to mercy kill her by breaking her neck. • '''
Ra's al Ghul''' (voiced by
Oded Fehr) is a member of the Light and leader of the
League of Shadows who is an enemy of Batman. In the third season, the Team and the Outsiders encounter Ra's al Ghul on Infinity Island, who tells them he is no longer part of the Light or leading the League of Shadows. However, he secretly remains in contact with Vandal Savage. •
Talia al Ghul (voiced by Zehra Fazal) is Ra's al Ghul's daughter and his second-in-command who has a love-hate relationship with Batman. In the third season, it is revealed she has a son,
Damian Wayne. Fazal reprises the role from
Batman: Death in the Family. •
Sensei (voiced by
Keone Young) is a high-ranking member of the League of Shadows. Unlike his comics counterpart, Sensei is not Ra's al Ghul's father. •
Ubu (voiced by
Fred Tatasciore) is a super-strong man and member of the League of Shadows who is loyal to Ra's al Ghul. •
Lex Luthor (voiced by
Mark Rolston) is a member of the Light, Superman's archenemy, and Superboy's genetic donor. At the end of the second season, he is named Secretary General of the United Nations after helping the Team and the Justice League stop the Reach's plot. In the third season, Black Lightning, Cyborg, Superman, and Superboy expose Luthor's crimes, forcing him to resign from the United Nations. Despite this, he remained a member of the Light. •
Mercy Graves is Lex Luthor's cybernetic bodyguard. •
Queen Bee (voiced by
Marina Sirtis) is a member of the Light and the dictator of
Bialya. She has the ability to mind-control most men and some women. •
Onslaught are a team of metahuman enforcers who work for Queen Bee. •
Psimon (voiced by
Alan Tudyk) is the right-hand man of Queen Bee who has telepathic powers. In the third season, he and Devastation are romantically involved. •
Devastation (voiced by
Diane Delano) is a member of Onslaught and an enemy of Wonder Woman. •
Mammoth is a teenage member of Onslaught and Shimmer's brother who derives his strength from Kobra-Venom. As a side effect, he sports a monstrous appearance with grey skin and exposed muscle. •
Shimmer / Selinda Flinders is a martial artist and Mammoth's sister who possesses elemental transmutation abilities. •
Icicle Jr. / Cameron Mahkent (voiced by
Yuri Lowenthal) is a criminal with cryokinetic powers and Icicle Sr.'s son. Superboy befriends him while undercover in
Belle Reve. •
/ Tommy (voiced by Yuri Lowenthal) and
Tuppence Terror (voiced by
Danica McKellar) are arrogant fraternal twins who possess super-strength and invulnerability. •
Holocaust (voiced by Zeno Robinson) is a pyrokinetic metahuman who was part of an underground metahuman fight club secretly sponsored by Queen Bee. •
Match (voiced by
Nolan North) is a fully Kryptonian clone of Superman created by Project Cadmus to either replace or destroy him. Due to the difficulties involved in cloning Kryptonian DNA, Match becomes mentally unstable and is placed in cryogenic storage. In the
Targets tie-in comic, Match is freed from storage, mutates into a
Bizarro-like form, and joins Onslaught. •
Ocean Master / Prince Orm (voiced by
Roger Craig Smith) is a member of the Light and Aquaman's half-brother. Sometime after the events of the first season, he was disgraced upon his identity being exposed to the authorities, incarcerated in Atlantis, and replaced with Black Manta on the Light. He returns in the third season operating on his own to kill the Justice League's families only to be killed himself by Lady Shiva to keep him from interfering in the Light's plans. However, the Light's Thrinos operation allowed them to make a clone of Ocean Master and insert the original's mind into a clone body of Arion that would be able to wear Arion's crown. The clone of Ocean Master is eventually cleared of mental programming by Miss Martian and allowed to go free by Aquaman. •
Brain (voiced by
Nolan North in his first unofficial appearance,
Corey Burton in the first official appearance) is a disembodied brain contained in a robotic body and a member of the Light. He is later captured by the Team and replaced by Ultra-Humanite. •
Monsieur Mallah (vocal effects provided by
Dee Bradley Baker) is Brain's
gorilla sidekick. In the third season, he joins the Suicide Squad. •
Klarion the Witch Boy (voiced by
Thom Adcox-Hernandez) is a
Lord of Chaos and a member of the Light. Klarion met Vandal Savage 15,000 years prior and battled him over the course of 300 days. Klarion took an interest in Savage, resulting in them forming a partnership. •
Teekl (vocal effects provided by
Dee Bradley Baker) is Klarion's cat-like
familiar, who can transform into a
Smilodon-like form. In the fourth season, Teekl is killed by Flaw and Klarion transforms a normal cat to act as its replacement. •
Black Manta (voiced by
Khary Payton) is Aquaman's archenemy, Aqualad's father, and an associate of the Light. He later joins the
Suicide Squad. •
Slade Wilson / Deathstroke (voiced by
Wentworth Miller in the first appearance,
Fred Tatasciore in later appearances) is an assassin and the leader of the League of Shadows. •
Count Vertigo (voiced by
Steve Blum) is a member of the royal family of Vlatava and an enemy of Green Arrow
. Blum reprises his role from
DC Showcase: Green Arrow. •
Joe Henchy (voiced by Steve Blum) is Vertigo's brutish henchman. He was originally created for
DC Showcase: Green Arrow. •
Sportsmaster / Lawrence Crock (voiced by
Nick Chinlund) is a sports-themed agent of the Light. He is the ex-husband of
Paula Crock, the father of Artemis and Cheshire, and grandfather of Lian Harper. •
Ultra-Humanite (vocal effects provided by
Dee Bradley Baker in the first season; voiced by
Greg Weisman in
Outsiders) is an albino gorilla supervillain and a member of the Light and the Injustice League. In the tie-in comics, Ultra-Humanite is revealed to have been an old woman who transferred her brain into a gorilla body. •
Helga Jace (voiced by
Grey Griffin) is the personal physician to Markovia's royal family as well as an agent of Bedlam. After Prince Brion is banished from Markovia, the Outsiders allow Jace to watch over him. Jace later begins making contact with a mysterious individual (later revealed to be Ultra-Humanite) so she could study Halo further, as she sees her and the Markovs as her "children". •
Lady Shiva / Sandra Wu-San (voiced by
Gwendoline Yeo) is the League of Shadows' teacher, an enforcer of the Light, and Orphan's mother. •
Zviad Baazovi (voiced by
Yuri Lowenthal) is the ambassador of Markovia at the United Nations and replaced Granny Goodness on the Light's council. Baazovi possesses limited psychic abilities that allow him to bring out the worst impulses in others.
New Gods of Apokolips •
Darkseid (voiced by
Michael-Leon Wooley) is the ruler of
Apokolips and a longtime ally of Vandal Savage. During the events of
Outsiders, Darkseid secretly moves against the Light to acquire the
Anti-Life Equation so he can enslave the universe. •
DeSaad (voiced by
Dee Bradley Baker) is a
New God from Apokolips and a servant of Darkseid who supplies weapons to Intergang. •
Kalibak (voiced by Dee Bradley Baker) is Darkseid's eldest son. •
Grayven (voiced by Dee Bradley Baker) is another son of Darkseid. •
Granny Goodness / Gretchen Goode (voiced by Deborah Strang) is a New God from Apokolips who joins the Light in Season 3, replacing Black Manta. Goodness deduces Halo to be the cause of the Anti-Life Equation, which takes away free will, and has her captured, upstaging Vandal Savage and forcing him to sell Goodness out to the Team. She is defeated at the end of
Outsiders thanks to Halo and Cyborg and is seen being tortured as punishment for her failure, while Zviad Baazovi replaces her on the Light. Despite this, she regains her former position after serving her punishment. • The
Female Furies are Granny Goodness's elite strike force. •
Big Barda (voiced by Grey Griffin) is the leader of the Female Furies. •
Lashina is a member of the Female Furies who wields electric whips. •
Gilotina is a member of the Female Furies who can slice through any material. •
Supergirl is the daughter of
Zor-El and cousin of Superman. She was imprisoned in the
Phantom Zone before being freed by Darkseid and recruited into the Furies. •
Mantis (voiced by
Andrew Kishino) is the former leader of the Bugs of New Genesis. He later sides with Darkseid and is assigned by Grayven to serve Lor-Zod. • The
Parademons are winged humanoids who serve as Darkseid's foot soldiers.
Phantom Zone Inmates The following are inmates of the
Phantom Zone: •
General Dru-Zod (voiced by
Phil Morris) is the father of Lor-Zod and enemy of Superman who is trapped in the Phantom Zone with Superboy and Phantom Girl. He tried to conquer the galaxy in the Legion of-Super Heroes' time shortly after he was paroled from the Phantom Zone, but after he was re-imprisoned, Lor seeks to free him in the present. •
Ursa (voiced by Vanessa Marshall) is the wife of Dru-Zod and a fellow prisoner of the Phantom Zone, who joins him in escaping on Trombus. She later bonds with the Emerald Eye of Ekron, which Lor-Zod stole from Metron's vault. •
Faora (voiced by Denise Boutte) is an inmate of the Phantom Zone loyal to Dru-Zod. •
Non is an inmate of the Phantom Zone loyal to Dru-Zod. •
Jax-Ur (voiced by Andrew Kishino) is an inmate of the Phantom Zone loyal to Dru-Zod. •
Vor-Kil (voiced by Phil LaMarr) is an inmate of the Phantom Zone loyal to Dru-Zod. •
Kru-El (voiced by Nolan North) is an inmate of the Phantom Zone loyal to Dru-Zod.
Other The following villains either operated on their own or have been used by The Light: •
Mr. Freeze / Victor Fries (voiced by
Keith Szarabajka) is an enemy of Batman who wields a freeze gun and can only survive in cold temperatures. •
Killer Frost (voiced by
Sarah Shahi) is a cryokinetic super-villain and inmate of Belle Reve. •
Captain Cold / Leonard Snart (voiced by
Alan Tudyk) is a Flash villain and a thief who uses cryo-technology. •
Blockbuster / Mark Desmond (voiced by
René Auberjonois, later Dee Bradley Baker following Auberjonois' death) is a scientist who works for
Project Cadmus and the Light. He uses a formula he created that permanently transformed him into a monstrous blue form
. •
T.O. Morrow (voiced by
Jeff Bennett) is a scientist and operative of the Light who created Red Tornado, Red Torpedo, and Red Inferno. It is later revealed that the real T.O. Morrow was in a coma at an old age and that he built an android in his place, which is destroyed by Red Volcano. •
Mister Twister (voiced by
John de Lancie) is a scientist and Morrow's partner. •
Red Inferno (voiced by
Vanessa Marshall) is a robot who resembles Red Tornado, but has fire-based abilities. Tornado convinces her and Torpedo to aid the team against Red Volcano, during which they are destroyed. •
Red Torpedo (voiced by Jeff Bennett) is a robot who resembles Red Tornado, but has water-based abilities. Tornado convinces him and Inferno to aid the team against Red Volcano, during which they are destroyed. •
Red Volcano (voiced by Jeff Bennett) is a robot who resembles Red Tornado, but has volcanic-based abilities. He is destroyed in his first appearance before Lex Luthor rebuilds him in the second season. •
Daniel Brickwell / Brick (voiced by
Khary Payton) is a super-strong criminal from
Star City and an enemy of Green Arrow. He later joins the Suicide Squad. •
Bane (voiced by
Danny Trejo) is a Hispanic supervillain and an enemy of Batman who uses the super-steroid Venom to increase his strength. He is the ruler of the island nation Santa Prisca, where he heads a Venom-manufacturing factory. In the third season, it is revealed that Bane is no longer dependent on Venom, viewing it as a crutch. •
Kobra (voiced by
Arnold Vosloo) is the leader of a self-titled cult and an ally of the Light. In the companion comic "Uncommon Denominators," Kobra attempts to use his brother Jason as a sacrifice to become a half-man, half-cobra god, but he is stopped by the Team. •
Professor Ivo (voiced by
Peter MacNicol) is a mad scientist and associate of the Light. •
Amazo (voiced by Peter MacNicol) is a power-replicating android created by Ivo. •
M.O.N.Q.I.s (vocal effects provided by Peter MacNicol) are monkey-like robots who serve Ivo. Their names are short for
Mobile Optimal Neural Quotient Infiltrators. •
Cheshire (voiced by
Kelly Hu) is a member of the League of Shadows, the sister of Artemis, and the daughter of Sportsmaster/Lawrence Crock and the Huntress/Paula Nguyen. Despite them being enemies, Cheshire is shown to have a soft spot for Artemis and refuses to harm her. •
Lian Harper (voiced by Kelly Hu in the second season, Zehra Fazal in the third) is the daughter of Cheshire and Red Arrow. Designation: A28. •
League of Shadows are a group of assassins who are led by Ra's al Ghul and serve the Light. As of third season however, a majority of the League now serve Deathstroke after he became their new leader. •
Black Spider (voiced by
Josh Keaton) is a spider-themed assassin and member of the League of Shadows. •
Hook is a hook-handed assassin. •
Professor Ojo (voiced by
Nolan North) is a scientist who wears a special helmet to see and shoot laser beams. •
Rictus (voiced by Gwendoline Yeo) is a cybernetically enhanced assassin. •
Abra Kadabra (voiced by
Jeff Bennett) is a faux magician and enemy of the Flash. •
Clayface / Harlan Matthews / Matt Hagen (voiced by
Nolan North) is a shapeshifting supervillain made of clay. In the tie-in comics, it is revealed that Hagen was a member of the League of Shadows and was transformed into his current state after Talia al Ghul trapped him in a Lazarus Pit. In
Outsiders, Clayface is placed under the control of
Mad Hatter before being freed by Batman's team. The audio play "The Prize" reveals that Clayface, under the name "Harlan Matthews", reformed and was recruited to join Bowhunter Security. •
Icicle Sr. / Joar Mahkent (voiced by
James Remar) is a criminal who uses cryokinetic technology and the father of Icicle Jr. •
Hugo Strange (voiced by
Adrian Pasdar) is a prison psychiatrist at Belle Reve and an operative of the Light. •
Riddler (voiced by
Dave Franco) is an enemy of Batman and an agent of the Light who specializes in riddles. • The
Injustice League are a small group of villains who were assembled to distract the Justice League from the Light's operations. •
Atomic Skull is a S.T.A.R. Labs scientist turned supervillain and enemy of
Superman. •
Black Adam is an adversary of Captain Marvel. •
Joker (voiced by
Brent Spiner) is a sociopathic villain and Batman's archenemy. •
Poison Ivy (voiced by
Alyssa Milano) is an eco-terrorist and enemy of Batman who can manipulate plants. •
Wotan (voiced by
Bruce Greenwood) is an immortal
Viking sorcerer and an adversary of Doctor Fate. •
Intergang is a crime syndicate that uses technology from Apokolips. •
Bruno Mannheim (voiced by
Kevin Michael Richardson) is the leader of Intergang. • '''
Whisper A'Daire''' (voiced by
Grey DeLisle) is a member of Intergang and Scorpia's sister. •
Norman (voiced by
Nolan North) is a member of Intergang. •
Cairo DeFrey is a member of Intergang. • '''
Scorpia A'Daire''' is a member of Intergang and Whisper's sister. •
Harm / Billy Hayes (voiced by
Benjamin Diskin) is a sociopathic villain who killed his younger sister
Greta to become Harm, a killer seeking the thrill of the hunt. Harm refers to himself in third-person and uses the impersonal pronoun to refer to others, objectifying them. The guilt of killing Greta eventually overcomes him when her ghost appears, causing the sword to reject him. •
Felix Faust (voiced by
Dee Bradley Baker) is a powerful sorcerer and
alchemist who was summoned by Klarion, along with other magicians, to split the world into two dimensions. •
Blackbriar Thorn (voiced by
Kevin Michael Richardson) is a Welsh priest and druid. •
Wizard (voiced by
Corey Burton) is a skilled magician dressed in Victorian fashion. •
Parasite (voiced by
Adam Baldwin) is a supervillain who can drain energy and abilities via physical contact. • The
Kroloteans are an alien race who are skilled thieves and geneticists. •
Neutron (voiced by
James Arnold Taylor) is a nuclear-powered supervillain who gained his abilities from Reach experimentation. In the year 2056, Neutron collaborates with Bart Allen so that the latter can travel back in time and alter the timeline, preventing the Reach from dominating Earth. While Bart succeeds in saving Barry Allen and removing the present-day Neutron's powers, the future Neutron learns that this did not significantly alter the future. In the third season, the present-day Neutron becomes a counseler at the Metahuman Youth Center. • The
Reach are an imperial race of aliens who created Blue Beetle's scarab. •
Reach Ambassador (voiced by
Phil LaMarr) is the ambassador of the Reach. He is a skilled actor, but he is also overconfident in his plans; believing them to be infallible. •
Reach Scientist (voiced by Masasa Moyo) is the head scientist of the Reach. She experimented on young metahumans that were brought to them. Unlike the Ambassador, she is level-headed and sees when things will go in their favor. •
Black Beetle (voiced by
Kevin Grevioux) is a Reach warrior who wields a scarab similar to Blue Beetle. His scarab was destroyed by Blue Beetle during the final battle against the Reach. •
Despero is an intergalactic gladiator with telepathic powers. •
L-Ron (voiced by
Phil LaMarr) is Despero's robotic
majordomo. •
Mongul (voiced by
Keith David) is the ruler of
Warworld and an ally of the Reach. •
Toyman / Winslow Schott (voiced by Cameron Bowen) is a criminal who uses toy-based devices in his crimes. •
Baron Bedlam / Frederick DeLamb (voiced by Nolan North) is the commander-in-chief of Markovia's security forces. He is the brother of Ilona DeLamb-Markov and brother-in-law of Viktor Markov. He ran a metahuman trafficking ring under the name Baron Bedlam. •
Simon Ecks (voiced by Troy Baker) is a self-duplicating metahuman geneticist who works for Bedlam. •
Jaculi is a Quraci
speedster who Bedlam enlists to assassinate the royal family of Markovia. •
Plasma / Ana Von Furth (voiced by
Grey Griffin) is a 14-year-old girl who was transformed into a fiery golem-like creature after having her metagene activated.
Black Lightning accidentally kills Ana after overloading her heart. •
Plasmus / Otto Von Furth (voiced by
Yuri Lowenthal) is Ana's brother, who was similarly transformed and placed under
Count Vertigo's control. Plasmus is freed from Vertigo's control by Black Lightning, only to be shot and killed by a civilian who believed him to be a monster. • '''
Ma'alefa'ak / M'comm M'orzz''' (voiced by Benjamin Diskin) is a villainous White Martian and the younger brother of Miss Martian. He calls himself Ma'alefa'ak in reference to a feared Martian creature and seeks to alleviate the racism faced by White Martians. Ma'alefa'ak joins the Zods in trying to conquer Earth, but is overpowered by
Danny Chase and banished to the Phantom Zone. Ma'alefa'ak is later freed from the Phantom Zone and given the planet
Durla to settle the White Martians on. • '''K'omm B'lanxx''' (voiced by Troy Baker) is a White Martian who is allied with Ma'alefa'ak. •
Mad Hatter / Jervis Tetch (voiced by
Dwight Schultz) is a scientist and enemy of Batman who specializes in mind control devices. •
Shade (voiced by
Joel Swetow) is a supervillain who can manipulate shadows. In the fourth season, Shade joins the League of Shadows, but leaves them as a favor to Cheshire, who convinced him to leave Simon Stagg's metahuman trafficking operation. •
Doctor Moon (voiced by
Vic Chao) is an underworld physician who treats supervillains. •
Child (voiced by
Erika Ishii) is a Lord of Chaos and a rival of Klarion. •
Flaw is Child's golem-like familiar. •
Lor-Zod (voiced by
Phil Morris) is the son of General Zod. He was born in the 31st century and sought revenge against the Legion of Super-Heroes forimprisoning his parents to the Phantom Zone. He targets the Legion's inspiration, Superboy, to prevent the Legion from existing. After apparently killing Superboy, Lor-Zod decides to free his parents and followers early in the past and began his search for the Phantom Zone projector, discovering it was in Metron's vault. Traveling to the 31st century, Lor-Zod joins the past version of his parents in attempting to conquer Earth, but is foiled by the Team and forced to flee in a Time Sphere. The Time Sphere, having been reprogrammed by Metron, sends Lor-Zod back in time to be killed in an explosion on Mars. ==Supporting characters==