Donald Warren Iwerks (/ˈaɪwɜːrks/; born July 24, 1929) is an American former Disney executive and co-founder of Iwerks Entertainment along with former Disney executive Stan Kinsey. He is the son of the animator Ub Iwerks (Walt Disney's original business partner and co-creator of Mickey Mouse and Oswald the Lucky Rabbit) and father of Oscar-nominated documentary film producer Leslie Iwerks.