Team » Arkham Asylum Inmates appears in 577 issues.
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. Seemingly drawing strength from each death, he tended to go for overkill in his murders which followed a ritual of skinning them. Revealed as Arkham inmate in Detective Comics #625, Detective Comics #628 and during Batman: Knightquest.
Revealed as Arkham inmate in Batwoman (Vol. 2) #29-30.
A sweet, innocent girl Adalyn has always seen Batman since that day when Batman beat her father to a pulp. She has carried those feelings of fear and resentment with her ever since. As a means of revenge, Adalyn donned the mantle of the Scarecrow and devised a plan to turn all of Neo-Gotham against Terry McGinnis. Revealed as Arkham inmate in Batman Beyond (Vol. 6) #24.
Villainous bomber with burnt skin. He was seen as an inmate of Arkham Asylum in Batman: Battle for the Cowl #2.
Paranoid schizophrenic, former patient at Arkham Asylum. A one shot character who appeared in a Batman story in the post-Crisis universe. Revealed as Arkham inmate in Batman #405.
Supposedly a series of people who became the killer for different reasons.
Brazilian Girl who has the ability of control the electromagnetic spectrum. Revealed as Arkham inmate during Family Reunions story arc.
Formerly Jeremiah Arkham's assistant, Alyce Sinner is now Director of Arkham Asylum. She claims to be the only survivor of a cult suicide, but in reality murdered her parents fellow cult members. Sinner wears hair ribbons to represent the 7 Deadly Sins.
Amadeus created the infamous Arkham Asylum out of his family estate, and eventually became an inmate himself. Revealed as Arkham inmate in Batman: Arkham Asylum.
Revealed as Arkham inmate in Action Comics #560.
Aaron Helzinger was a giant of a man prone to fits of homicidal rage. Due to these violent episodes, he was remanded to the care of Arkham Asylum. A surgeon at Arkham removed Helzinger's amygdala cluster in the hopes of curing the psychotic episodes. This procedure yielded unexpected results however as Amygdala became exceedingly angry in opposition to what the surgery was supposed to achieve. Revealed as Arkham inmate in Batman: The Last Arkham story arc, during Batman: Knightfall, in Detective Comics #693, in Batman #550, in Arkham Manor mini-series, etc.
Serial killer and patient at Arkham Tower.
Revealed as Arkham inmate in Detective Comics #964.
Revealed as Arkham inmate in Detective Comics vol. 1 #1004.
Arthur Rankel is a serial killer and rapist, convicted of more than a dozen charges, including serious sexual crimes and murders. Rankel has been convicted of raping and killing eighteen women. Revealed as Arkham inmate in Batman: Joker's Apprentice #1
Revealed as Arkham inmate in Batman: Curse of the White Knight #5
Geoff Shancoe was a good cop and a newlywed working for Gotham Police Department when he was involved with charging the Joker after his first apprehension and arrest. The Joker, abusing his right to a phone call, phoned Geoff's wife and convinced her to kill herself. Following the suicide of his wife, Geoff turned back to alcohol and watched as the Joker spread more mayhem and murder from incarceration. Geoff eventually decided to take matters into his own hands. Shooting both Jim Gordon and his own partner, Geoff then intercepted the Joker's prison transport. Instead of killing Joker, he was using the entire thing as bait to draw out Batman - his true target - for having delivered the Joker to the police in the first place. Geoff's attempt to hang Batman failed and he was sentenced to imprisonment in Arkham Asylum. Revealed as Arkham inmate in Batman Confidential #25, in Batman Confidential #29 and Batman Confidential #30.
Revealed as Arkham inmate in Showcase '94 #3, in Arkham Manor: Endgame, in Batman vol. 2 #51 and Forever Evil Aftermath: Batman vs. Bane.
A psychotic killer and an inmate of Arkham Asylum.
Revealed as Arkham inmate in The Flash vol. 5 #63
Ben Arnell was a psychiatrist in Arkham Asylum. He tried to cure Joker, but his mind succumbed to Joker's manipulation.
A serial-killer and inmate of Arkham Asylum with an obsession for knitting.
Morbidly obese bearded woman in tutu.
A notorious pirate and assassin, Black Manta is one of the most ruthless and feared super villains on Earth, and Aquaman's mortal enemy.
Roman Sionis, AKA the Black Mask, is a ruthless Gotham City-based mob boss and leader of the False Face Society. At various times he has been the supreme leader of the Gotham criminal Underworld. Possessing an extreme hatred for Bruce Wayne, and a sadistic talent for torturing his victims, makes the Black Mask one of Batman's most dangerous adversaries. Revealed as Arkham inmate during Batman: The Last Arkham story arc, Batman #387, in Detective Comics Vol. 2 #9, in Batman: Arkham Asylum, in Forever Evil: Arkham War mini-series, etc.
Revealed as Arkham inmate in Batman #470 and Batman vol. 3 #19.
Revealed as Arkham inmate in Batgirl and the Birds of Prey #10 and #20.
An acid controlling member of Knightfall's the Disgraced.
Mark Desmond was a chemist whose experiments intending to increase his strength turned him into a mindless monster.
Gotham City junkie that made contact with Bat-Mite.
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