Click over the option in the user interface to choose your favorite makeup and outfit.
Dress up Dr. Harleen Quinzel, a.k.a Harley Quinn, the Joker's frequent accomplice and lover, whom she met while working as a psychiatrist at Arkham Asylum, where the Joker was a patient. Her name is a play on the name "Harlequin", a character which originated in the commedia dell'arte.
