Poison Ivy is the deuteragonist of the DC Universe's animated Harley Quinn franchise. She is Harley Quinn's best friend, eventual girlfriend, and fellow Arkham Asylum escapee. became a member of the newly created Gotham City Sirens. Ivy is a slender young woman with green skin, green eyes, and green lips. She has long red hair, styling part of her hair on the left side, almost covering her eye She wears anything green clothes. This abuse was what caused her to give up on humanity. Later in life Pamela went on to gain her doctorate in biochemistry at Sarah Lawrence College, briefly dating a man named Dan there,[2] and shortly after assumed the identity of Poison Ivy, a self-styled "eco-terrorist" fighting for the environment using her power to control plant life.