Bart Simpson; Lisa Simpson; Apu Nahasapeemapetilon; Krusty the Clown; Mr. Burns [Charles Montgomery Burns]; Waylon Smithers; Professor Frink; Moe Szyslak; Reverend Lovejoy; Helen Lovejoy; Kent Brockman; Otto Mann; Chief Wiggum; Officer Lou; Snake; Herman; Nelson Muntz; Kearney; Jimbo Jones; Edna Krabappel; Principal Skinner [Seymour Skinner]; Herman; Santa's Little Helper; Snowball