- Full name is Dr. Harleen Quinzel and she was a psychiatrist in Arkham Asylum
- Is bisexual and polyamorous
- can break into Arkham with only a handful of tools
- is bestfriends and in a relationship with Poison Ivy
- loves animals
- is jewish
has a genius-level IQ,
- was in an abusive relationship but realised it and broke free
- although Joker abused her, she still loved and supported him
- Harley Quinn is the only one who made the Joker feel something like love (once he realised that he tried to kill her bcs he didn’t know what to do with those feelings)
- Joker wants Harley’s approval
- almost killed Batman but Joker threw her out of the window
- thought about killing herself once
went to Gotham University with a scholarship for gymnastics
- refused to fight Black Canary when she found out she was pregnant
- visited Black Canary after giving birth to her child
- admitted that she had a 4 year old daughter named Lucy who lives with Harley’s sister because she wants her to have a normal life
- Kevin Smith named his daughter Harley Quinn Smith
immune to certain chemicals and diseases (thanks to Poison Ivy)
- Her criminal father was the reason why she wanted to be a Psychiatrist
- she is ditzy and people underestimate her just to be crushed by her hammer a few moments later
- once one of her patients (an old lady) told her, her family didn’t visit her. Harley Quinn felt so bad, she found the old ladies family, kidnapped them and asked them why they didn’t visit her
(turns out they did every two weeks but old lady couldn’t remember because she has dementia)is good with children
- could kill you