Which is probably why she was drafted into the Suicide Squad.
Since then, she's caused chaos and mayhem with her puddin', usually with a giant smile to boot. Crazy = asset. Deluxe Harley Quinn Suicide Squad Fancy Dress Costume for Women Just find yourself a nice hefty baseball bat and you'll be ready to hit the streets with the rest of your crazy squad. Harleen Quinzel, she used to be a practicing psychiatrist, before falling head over heels (literally) for the crazy clown himself: the Joker.