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
Steamboat Willie like a crank. Mickey uses various objects on the boat as percussion accompaniment and "plays" the animals like musical instruments. This ends with them using a cow's teeth to play the song as a xylophone. Finally Captain Pete is unamused and puts Mickey to work peeling potatoes. In the potato bin, the same parrot that laughed at him earlier appears in the port hole and laughs at him again. The mouse throws a peeled potato at him, knocking him into the river below. The film ends with Mickey laughing. According to Roy O. Disney, Walt Disney was inspired to create