Arkham Asylum (Earth-Prime)

Arkham Asylum for the Criminally Insane, or simply known as Arkham Asylum or Arkham is a psychiatric asylum located in Gotham City.

History
In 2020, Arkham Asylum was burned down.

Employees

 * Janet (nurse)
 * M. Butler (head psychiatrist and warden; deceased)
 * Tammy (nurse)

Current Patients

 * Psycho Pirate (Roger Hayden)
 * Black Mask (Roman Sionis)