William Charles "Bill" Littlejohn (January 27, 1914 – September 17, 2010) was an American animator and union organizer. Littlejohn worked on both animated shorts and features from the 1930s through to the 1990s. His notable works include the Tom and Jerry shorts, the Peanuts television specials, the Oscar-winning short, "The Hole" (1962), and the Oscar-nominated "A Doonesbury Special" (1977).