Tasia Valenza is an American actress. She is most known for being the voice of Poison Ivy in the Arkham series from 2009 to 2015 as well as in a number of other video games, Sniper Wolf in Metal Gear Solid and her various roles in the Star Wars 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.