Harleen Quinzel is an Asian American prominent therapist in Gotham City in the 1940s, whose primary clientele are rich and powerful figures. Her personality is quirky, bubbly, bright, sassy, goofy, brassy, with a romantic interest in women. But her alter ego Harley Quinn is cold, eerie, commanding. Wearing a yellow and black spandex jester suit with clown white makeup and black lipstick. Using her skill as a therapist to torture and brainwash the rich men of Gotham to give away their money away.