Lum is Ataru's alien girlfriend from the planet of the Oni in Takahashi, Rumiko-sama's classic, Urusei Yatsura. Lum is an Oni, like her parents. She is in love with Ataru. She is also quite jelous. She is well known for her ability to fly and to deliver intense electrical shocks from a distance. She hangs out frequently with Ran, Benten, and Oyuki when she is not busy chasing down Ataru.