Ivy (Dr. Pamela Lillian Isley, PhD (/ˈaɪzli/) is a fictional character appearing in comic books published by DC Ivy has been shown to be an occasional romantic interest of Batman. She has teamed up frequently with fellow anti-heroes Catwoman and Harley Quinn, with Harley being her close friend and cat women romantic partner.Partly inspired by the titular character in Nathanial Hawthorne's short story "Rappaccini's Daughter", she is a Gotham City misanthropic botanist and biochemist who possesses a poisonous touch, enhanced physical abilities, and a supernatural control over plant life, powers which she uses for the sake of environmentalism. The character's appearance is considered iconic; she is typically drawn barefoot in a one-piece costume adorned with leaves and vines, with occasional variations to her skin tone.She uses plant toxins and mind-controlling pheromones for her criminal activities, which are usually aimed at protecting endangered species and the natural environment from the careless actions of humans. She was originally characterized as a supervillain, but as of The New 52 and DC Rebirth, she has periodically been depicted as an antiheroine or a hero, often doing the wrong things for the right reasons.