Bio: First encountered by Catwoman in a sewer, who described that she had the Joker's stench on her. She later joins Task Force X, alongside Harley Quinn who is furious at Duela for stealing Joker's face.
Duela also infiltrates Arkham Asylum, where she tries to decapitate Scarecrow with an axe. She now has 600 kewpie dolls, a pallet of mirrors and sits on a throne somewhere in Batman Eternal #46
Notes: First name revealed in Batman: The Dark Knight #23.4.