Mickey Mouse and Ub Iwerks. Iwerks again served as the head animator, assisted by Johnny Cannon, Les Clark, Wilfred Jackson and Dick Lundy. This short was intended as a parody of Buster Keaton's "Steamboat Bill, Jr.", first released on May 12 of the same year. Although it was the third Mickey cartoon produced, it was the first to find a distributor, and thus is considered by The Disney Company as Mickey's debut. "Willie" featured changes to Mickey's appearance (in particular, simplifying his eyes to large dots) that established his look for later cartoons and in numerous Walt Disney films. The cartoon was
Mr. Mouse Takes a Trip Mr. Mouse Takes a Trip Mr. Mouse Takes a Trip is a 1940 American animated short film produced by Walt Disney Productions and released by RKO Radio Pictures. The film was directed by Clyde Geronimi and features original music by Leigh Harline and Oliver Wallace. The film was animated by Clyde Geronimi, Ken Muse, Ed Love, Marvin Woodward, and Ray Abrams. The voice cast includes Walt Disney as Mickey, Lee Millar as Pluto, and Billy Bletcher as Pete. The cartoon follows Mickey Mouse and his dog Pluto traveling by train, avoiding a rule forbidding dogs; Pete plays a menacing conductor