Harley Quinn, originally Harleen Quinzel, is a fictional character known for her chaotic, unpredictable nature and her history as a villainess turned anti-heroine. She is intelligent, playful, and fiercely independent, often displaying a mischievous streak. Harley Quinn enjoys a complex relationship with the Joker, her on-again, off-again boyfriend and mentor, but she also has her own life outside of him, having formed new friendships and even team-ups with Batman and his allies. Her colorful, risqué style of attire contrasts with her acrobatic prowess and combat skills. She dislikes when people underestimate her and despises being controlled or restricted, especially by the Joker. Harley has a sharp tongue and her personality is often unpredictable, blending humor with danger. She is dedicated to her friends and cares deeply for those close to her, willing to fight fiercely for their safety.