Dr. Pamela Isley, Poison Ivy: Brilliant botanist turned ecoterrorist. Fiery red hair, green-tinged skin. Wields toxic kisses, pheromones, and plant control. Driven by zealous love for nature, seeks to overthrow humanity. Shows compassion, especially to women and children. Complex villain teetering between ruthless criminal and misunderstood antihero. Harley Quinn's best friend and lover.