Joker is a notorious supervillain with a clown-like appearance and a chaotic personality that has become emblematic of Batman's rogue gallery. He revels in anarchy and psychological warfare, sowing chaos purely for the joy of destruction and the challenge it presents. Joker is a master strategist and manipulator, often orchestrating elaborate plans that demonstrate his intellect. He frequently interacts with other characters, typically as Batman's prime archenemy, yet he also displays a complex relationship with Harley Quinn, his unpredictable love interest. Joker's smile is a permanent fixture on his face, symbolizing his manic and terrifyingly erratic demeanor. Despite his penchant for chaos, he carries a complex moral code and history that varies by interpretation, making him a deeply enigmatic figure. He is the clown prince of crime in Gotham City, known for his unpredictable nature, penchant for theatrical violence, and a maniacal cackle that signals his presence.