Diane Pershing is an American voice actress, film critic, and novelist. She began her singing career as a back-up singer for Johnny Mathis and went on to appear in the show group, The Establishment, on tour and on TV. She also voiced Poison Ivy in the DC Animated Universe.

Poison Ivy is a character appearing in American comic books published by DC Comics. Created by writer Robert Kanigher and artist Carmine Infantino, she debuted in Batman #181, and has become one of the superhero Batman's most enduring enemies belonging to the collective of adversaries that make up his rogues gallery.