William Barnard "Bill" Justice (February 9, 1914 – February 10, 2011) was an animator and engineer for the Walt Disney Company. He was a graduate of the Herron School of Art and Design in Indianapolis. Justice joined Walt Disney Studios as an animator in 1937 and worked on such features as 1940's Fantasia, 1944's The Three Caballeros, 1951's Alice in Wonderland, and 1953's Peter Pan. He is arguably best known as the animator of the rabbit Thumper from 1942's Bambi and chipmunks Chip 'n Dale.