Lewis is a student in Springfield Elementary School. He is one of Bart's friends, and one of only a handful of black students at the school. His best friend seems to be Richard.
Lewis is one of Bart's friends and fellow fourth-graders in Mrs. Krabappel's class. He once annoyed a guilt-ridden Bart when he hid under a pile of leaves and pretended to be Principal Skinner's corpse, and he failed to vote for Bart in the class presidential election. He is most commonly seen playing in the schoolyard with his friend Richard.
Lewis was one of the children in the Model UN Club that were stranded on an island and, thinking he was going to die, Bart mistook him for Wendell. Lewis also plays on the Mighty Pigs Peewee Hockey Team and according to Gossip is a very good ballroom dancer.
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In The Simpsons Game, Lewis is one of the children wearing Itchy and Scratchy masks who attack Marge and Lisa on the level "Mob Rules".
 Behind the Laughter
In earlier seasons, Lewis could be considered as Bart's second-best friend. As the roles of Nelson and Milhouse were enlarged, Lewis was seen with Bart less and less often and was finally relegated to background character status.
Throughout the series, Lewis has been voiced by Jo Ann Harris, Nancy Cartwright, Pamela Hayden, Maggie Roswell and Russi Taylor. Due to the fact the he rarely speaks, he has no specific voice actor.