Arkham Asylum (DC)

The Elizabeth Arkham Asylum for the Criminally Insane,[1] typically called Arkham Asylum (/ˈɑːrkəm/), is a fictional psychiatric hospital – prison appearing in American comic books published by DC Comics, commonly in stories featuring the superhero Batman. Arkham Asylum first appeared in Batman #258 (Oct. 1974), written by Dennis O'Neil with art by Irv Novick.

Arkham Asylum serves as a psychiatric hospital for the Gotham City area, housing patients who are criminally insane. Arkham's high-profile patients are often from Batman's rogues gallery, such as the Joker, Two-Face, Poison Ivy, the Riddler, Harley Quinn, Clayface, Bane, the Mad Hatter, Killer Croc, Mr. Freeze, and the Scarecrow.