The one who didn't fear him*Jared Leto Joker...
Allissia Drachenberg is Bruce Wayne's best friend. She has a Doctorate in psychology and begins working at Arkham Asylum as a psychiatrist. Her first two patients however are going to prove to be difficult. She becomes the Doctor to not only Harley Quinn but The Joker as well.
"Are you afraid of me doc?" he asked
She looked up at him from his file. She lifted her coffee cup taking a sip and with a smile she said "No I am not"
With that simple first encounter she becomes the object of his obsession and when he breaks out of Arkham he will stop at nothing to get her. The question is can she keep her sanity through it all