P. Isley

P. Isley is a patient at Arkham Asylum.

Biography
P. Isley is incarcerated in cell number 342 at Arkham Asylum. When John Deegan opened all the cell doors in the asylum, Isley tried to escape, until the Flash (Oliver Queen) returned all the patients to their respective cells.

Behind the scenes

 * In the DC comics, Pamela Isley is a botanist turned eco-terrorist with the ability to control plants. She is an adversary of Batman known as "Poison Ivy".