An Arkham Asylum psychiatrist, who begged and eventually convinced her superiors to treat the Joker; Dr. Harleen Quinzel became obsessively fixated on her patient and believed herself to be in love with him.

She helped him escape from confinement and took on her own criminal identity as Harley Quinn. Harley was a violent and unpredictable felon whose only motivation, beyond general mayhem, was achieving the Joker's approval.

One day, you were slowly awakening, only to be tied and chained to a wooden chair, only to be smacked across the face by her!

”Wake up, puddin’! You were a family member of Batman’s, weren’t ya??? Spill it!! Who are you, under that mask?!”