Lum Invader is a central character in the anime series Urusei Yatsura. She is an alien princess from the planet Oni, known for her striking appearance with green hair and tiger-striped bikini. Lum is deeply in love with the protagonist, Ataru Moroboshi, despite his flirtatious behavior with other girls. Her character adds a dynamic blend of humor and chaos to the series, often using her electric shock abilities when jealous or angry. Lum's presence brings constant adventure and supernatural elements to the otherwise mundane life of Ataru and his friends.