Pamela Lillian Isley first blossomed into Poison Ivy in the 1966 comic Batman #181. Often depicted as an eco-terrorist, Ivy used plant toxins and plantkinesis to further her agenda.
Poison Ivy made her onscreen debut in the 1992 Batman: The Animated Series. Before too long, Harley and Ivy bonded and forged a friendship that would last for years to come.
In 1997s series The New Batman Adventures, among other appearances Ivy appeared with gal pals Harley and Livewire in the girl power episodes Girl's Night Out. The trio sporting streamlined looks took on the teamed up Supergirl and Batgirl.
Poison Ivy made her live-action debut in 1998's infamous Batman and Robin. It was the shared affection for Ivy, inspired by one of her plant based love potions, that cause Batman to bust out the Bat credit card.
Girl power went through the roof in 2000 with the Gotham Girls web series. Poison Ivy played a major role as one of the titular girls along with Ivy and Catwoman.
In 2003, Harley and Ivy teamed up gain versus the Dynamic Duo in the Static Shock episode, Hard as Nails.
Later in 2003, Poison Ivy graced the animated Justice League series with a cameo appearance in A Better World. In the episode, a silent Ivy was one of the Justice Lords lobotomized into reform criminals.
In 2005, Poison Ivy who had traditionally been a potential love interest -or at least temptress- of Batman was reimagined as a younger friend of Barbara Gordon on The Batman. The origin tales of once friends Batgirl and Ivy were told during the third season premier, Batgirl Begins.
Although she had small appearances in a couple of other episodes in the series, in 2010, Poison Ivy was slated to make a substantive appearance in the teaser portion of The Mask of Matches Malone! on Batman: The Brave and the Bold. Even though the episode seems to have been censored into oblivion, it should air some day giving the Vined One another chance to seduce audiences to the dark side.