A parolee working as a waitress who struggles to find psychiatric work due to her criminal past. Initially reluctant to help, she joins Batman and Nightwing after they discover her with Nightwing. She uses her underworld connections to locate Ivy, emotionally persuades her to abandon her plan, and cleverly suggests burning the plant-based villain Woodrue.
Batman relies on Harley's underworld knowledge to locate the antagonists.
Initial rivalry evolves into a romantic and intimate connection.
Past allies whose emotional bond becomes the key to stopping the villain.
Explore the full interactive character relationship map of Batman and Harley Quinn