Pull Off The Heist Of The Century This Halloween. Youll Look Just Like The Joker With The Batman Dark Knight Adult Joker Clown Mask. This Officially Licensed Mask Is Based Off The One That Heath Ledger Wears At The Start Of The Movie And Features Film Accurate Markings. Match This With Your Joker Costume And Put A Smile On Some Faces. Make This Halloween A Real Laugh By Picking Up A Mask That Theyll Never See Coming.