Pamela Isley (Earth-1)

Poison Ivy is one of the members of Batman's rogues gallery.

Lady of Leaves
Poison Ivy is a powered criminal and an enemy of Batman and Robin. During her rivalry with the duo, she was defeated by them, and sent to imprisonment at Arkham Asylum.

Breaking Out Of Arkham
Ivy assisted Harley Quinn, Mister Freeze, Firefly and Killer Croc in their mass breakout of the Asylum.

Related

 * Appearances of Pamela Isley
 * Images of Pamela Isley