Mike Campbell's "The Amazing World of Gumball." "Meaning, Origin, and History of the Name Leslie" is a British cartoon series on Cartoon Network. It first aired in 1995. Leslie is a fictional character who appears in several episodes of the animated series Mike MySpace: The Amazing World of Gumball. She is a girl who lives in the apartment above the show's main character, Gumball Watters. She has two brothers named Richard and Robert who often play jokes on her. Her appearance is that of a young adult with short brown hair and blue eyes. She wears an orange shirt with white stripes and black pants. When not wearing her clothes, she is seen wearing a necklace with a rabbit pendant on it. In the first episode "The Secret Science Club", she tells Gumball that her name is Leslie Caroline Watters. Her parents seem to like this name because they tell her so in later episodes. She also says in one episode that she has a brother named Richard who hates her guts. She seems to have some kind of friendship with Darwin Fish, the son of the owner of the comic book store where she works. They both appear in several episodes and sometimes help each other out with problems they are facing.