O. Cobblepot is a patient at Arkham Asylum and the former mayor of Gotham City.



Cobblepot was at some point elected mayor of Gotham City. During his tenure, firing squads became a form of execution for death row inmates.[1]

Arkham Asylum

O. Cobblepot's cell door.

O. Cobblepot is incarcerated in cell number 341 at Arkham Asylum. When John Deegan opened all the cell doors in the asylum, Cobblepot tried to escape, until the Flash returned all the patients to their respective cells.[2]



Season 7


Season 1

Behind the scenes

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


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