Bart Simpson; Milhouse Van Houten; Principal Skinner [Seymour Skinner]; Edna Krabappel; Krusty the Clown; Nelson Muntz; Sherri; Terri; Ralph Wiggum; Martin Prince; Squeaky-voiced teen; Marge Simpson; Hans Moleman; Helen Lovejoy; Carl Carlson; Lenny Leonard; Dr. Julius Hibbert
Synopsis
Bart and Milhouse have a duel to determine who will be the class clown.
Bart Simpson; Martin Prince; Nelson Muntz; Ralph Wiggum; Milhouse van Houten; Database; Jessica Lovejoy; Uter Zorker; Francine Rhenquist; Sherri; Terri; Lisa Simpson; Dolph Starbeam; Jimbo Jones; Kearney Zzyzwicz
Moe Szyslak; Maggie Simpson; Homer Simpson; Marge Simpson; Bart Simpson; Lisa Simpson; Barney Gumble; Chief Wiggum; Officer Eddie; Officer Lou; Dr. Nick Riviera; Comic Book Guy; Dr. Julius Hibbert; Hans Moleman; Snake (villain)