Arkham Asylum

Arkham Asylum for the Criminally Insane is a fictional mental hospital near Gotham City in the DC Universe, where many of Batman's foes (most famously the Joker) wind up after they are captured.

List of notable inmates

• The Joker
• Two-Face
• The Riddler
• The Scarecrow
• The Mad Hatter
• Poison Ivy
• Clayface
• Maxie Zeus
• Jean Loring (the killer from Identity Crisis)
• Harley Quinn - Who was also once a Psychiatrist at the Facility
• Killer Croc
• Dr. Destiny
• The Ventriloquist
• Mr. Freeze
• Zsasz