O. Cobblepot

O. Cobblepot is a patient at Arkham Asylum.

Biography
O. Cobblepot is incarcerated at cell number 341 in Arkham Asylum. When John Deegan opened all the cell doors in the asylum, Cobblepot tried to escape, until the Flash (Oliver Queen) returned all the patients to their respective cells.

Behind the scenes

 * In the DC comics, Oswald Cobblepot is a ruthless Gotham City mobster and an adversary of Batman known as "The Penguin".