|Official name:||The Elizabeth Arkham Asylum for the Criminally Insane|
|First Appearance:||The Knight of Gotham Trilogy|
|Country:||United States of America|
|Locale:||Gotham City (TJLMS)|
Arkham Asylum is located on Arkharm Island, right of Gotham City and is where those of Batman's foes considered to be legally crazy are imprisoned.
However, criminals deemed " criminally insane " are treated at the Williams Medical Center before deemed so dangerous, that they must head to the Asylum.
Amadeus Arkham decided that Gotham was full of insane criminals, so he decided to use Arkharm Island, which at the time waas named Gotham island and make an asylum. He named it after his mother, Elizabeth Arkham and thus it began. However, an insane man and killer named Mad Dog killed his family, and soon, he was locked away in his own Asylum.
The Knight of GothamEdit
Johnathan Crane works there. The Asylum was attacked by the Court of Owls but Hugo Strange and Crane stopped them.
The Knight of FearEdit
Scarecrow took control after he made Hugo go mad and then killed him. Later, he released the inmates and let them attack Gotham.
The Knight of ShadowsEdit
It was rebuilt after the previous movie.
Dr. Amadeus ArkhamEdit
The founder of the asylum, Amadeus named the institution after his deceased mother Elizabeth.
CO Aaron CashEdit
One of Arkham's most respected security guards. His hand was bitten off by Killer Croc, and he sports a prosthetic hook in its place. Unlike many of his colleagues, Cash is neither insane nor corrupt, and is a trusted ally of Batman.
Dr. Alyce SinnerEdit
Chosen by Scarecrow as his second in command, and briefly committed under Scarecrow's orders, Sinner was the one who released all the inmates when he ordered it too.