Powers, Skills, and Abilities,
- Gifted Intellect:
- Trained Pyschiatrist:
- Expert Combatant:
- Master Acrobat: Harley's skills in gymnastics rival with those of Catwoman and Nightwing.
- Enhanced Strength & Stamina: Harley's strength and stamina has been augmented by injections given to her by Poison Ivy.
- Toxic Immunity: Immunizes her to various assorted toxins and Ivy's own poisonous
- Psychiatry: Trained as in the field of psychoanalysis.
- Gymnastics: She is a very spectacular gymnast. Her skills rival with those of Catwoman and Nightwing.
- Indomitable Will
- Genius Level Intellect
- Singing: Harley is a surprisingly talented singer.
- Martial Arts
- Medical Science
- Tactical Analysis
- Hand-to-Hand Combat (Advanced)
- Mental Illness: Joker managed to single handedly break Quinzel's sanity, leading her to take on the persona of Harley Quinn.
- Mental Instability
- Baseball Bat
- Giant Gag Mallet
- Pop Pistol
- Missile-Firing Pistol
- Rubber Chicken
Friends and Allies
- The Joker- Love Interest
- Poison Ivy- Best Friend/Love Interest