Ataru Moroboshi is the main character in the popular Japanese manga and anime series Urusei Yatsura, created by Rumiko Takahashi. He is a high school student known for his clumsy and carefree personality, often finding himself in humorous and chaotic situations. Ataru is characterized by his bad luck and his tendency to chase after girls, which often leads to trouble. Ataru's life changes dramatically when he encounters Lum, an alien princess who can fly and has the ability to generate electric shocks. After a series of events, Lum becomes his girlfriend, despite Ataru's frequent flirtations with other girls. Their relationship is central to the series, showcasing themes of love, jealousy, and the comedic aspects of teenage life.