Batman

Arnold Etchison was convinced that his family was evil. He killed them, and believed he had absorbed some of their life force at their demise. Etchison was eventually captured and committed to Arkham Asylum. When Bane sets all the inmates free from the asylum, Abattoir flees and goes on to kill several more family members, seemingly drawing strength from each death. He tended to go for overkill in his murders - beating, stabbing and shooting each victim.

Batman is the alter-ego of a distraught billionaire, Bruce Wayne, who, angered by the death of his parents, dons a costume inspired by his own fear of bats to fight crime in the DC Universe. Batman faced Ace and the rest of the Royal Flush Gang when the team first appeared in JLA #43.

Cosmic villian and would be universe conqueror. Battled the Justice League of America in the Silver Age.

Amazing Grace is a member of Darkseid's Elite whose sole mission is to cause the Apokoliptians to revolt, so that they can be crushed.

An Indian thief and leader of the Afro-Asian block of Underworld Olympians, she crossed paths with Batman only to be captured so that her team may go on in the competition.

Amygdala has no amygdala resulting in him having inhuman rage and super human strength.

Batman is the alter-ego of a distraught billionaire, Bruce Wayne, who, angered by the death of his parents, dons a costume inspired by his own fear of bats to fight crime in the DC Universe. Batman led the original Outsides team in their battles with the New Olympians.

Batman is the alter-ego of a distraught billionaire, Bruce Wayne, who, angered by the death of his parents, dons a costume inspired by his own fear of bats to fight crime in the DC Universe. Batman led the Outsiders in their battles with the New Olympians.

Asmodel was one of the Four most respected Angels in Heaven. However he rebelled against Heaven and became a Servant of the Demon, Neron.

Bane is a master tactician, strategist, fighter, and criminal. Pumped up on super-steroids, the Venom drug, Bane is extremely dangerous. He did what no deranged villian had ever done-he broke the Bat. Bane released the inmates of Arkham Asylum, who all fought Batman hard. They beat him before he won, but he was tired and couldn't fight. Bane, instead of killing him, snapped his back, putting Batman out of commission for nine months.

The original and first Clayface. He had fought with Batman several times before he usurped the power of the other Clayface's.

Batman Predator is one of the Metapredators. This one is a counterpart of Batman.

Black Mass can grow in size, becoming stronger.

In the Batman Beyond TV series, Blight is responsible for the death of Terrence "Terry" McGinnis father and therefore leading him to becoming the new Batman

Bonk was a large and brutish member of the third gang of Jokerz, first seen in Batman Beyond: Return of the Joker. After Batman (Terry McGinnis) interfeared with their failed attempted robbery, Bonk eventually tired of taking orders from the group's leader, an apparrently resurrected Joker, and confronted the new Crown Prince of Crime, saying he wanted out. Joker then shot him with toxic laughing gas, which killed him. In the Justice League Unlimited episode The Once and Future Thing Part Two: Time, Warped, an alternate reality created by Chronos showed Bonk to be alive, and cybernetically modified to be able to change his hand into a hammer. This reality was erased at the end of the episode.

Brain Storm's greatest weapon is his own brain. Augmented by a special helmet, Storm's mind is capable of throwing off Star Bolts enabling him to mentally control whatever they touch.

Danny Brickwell is a crime lord in Star City with brick-like skin that makes him nearly entirely invulnerable. He and his gang are responsible for the murder of at least one mayor and district attorney. He appeared reformed for a time after Oliver returned during One Year Later, but subsequently teamed up with the Red Hood for a time.

Bud is one of the Joker's two hyenas.

Winter, Spring, Summer and Fall, Calendar Girl is a threat to Batman and all other fashion moguls that caused her down fall. Seasonal-themed items are her thing and she is a revamping of the 'worst Batman villain ever' Calendar Man.

Carmine Falcone is a mobster beyond mobsters. He set up a criminal empire and has kept it up for years, despite the best efforts of Bruce Wayne. Falcone is high-class and works in any area-drug dealing, murder, gambling rings, and trying to shut down a certain vigilante. Killed in "Long Halloween, by his own son-plus a group of Batman's greatest foes.

No relation to Catman, Selina Kyle is sometimes good and sometimes bad. In her early years, she was the most untouchable cat burglar in Gotham and went on a remarkable crime spree. Her and Batman have romantic feelings-but every once in a while, she steals something, Batman catches her, and it starts over. She seduced Wayne into letting her in the Bat-Cave, then stabbed him in the back.

Batman was targeted by Celia because he son, Nicolas was killed when he was fighting Batman and fell of a tall building. She was later defeated by him and his associates.

Chancer is a criminal from Texas pursued by Nimrod. He teamed up with the Misfits in a kidnapping and was defeated by Batman.