Ran Mendo is a supporting character in the anime and manga series 'Urusei Yatsura' created by Rumiko Takahashi. She is a childhood friend and sometimes rival of Lum, possessing a sweet appearance but a vengeful, jealous side. Ran comes from another alien race and often gets involved in comedic conflicts, especially due to her lingering resentment toward Lum. Her role in the series often brings humor and chaos, adding depth to the show's dynamic cast of extraterrestrial and human characters.