Joseph Barbera and Hanna worked alongside animator Tex Avery, who had created Daffy Duck and Bugs Bunny for Warner Bros. and directed "Droopy" cartoons at MGM. In 1940, Hanna and Barbera jointly directed "Puss Gets the Boot", which was nominated for an Academy Award for Best (Cartoon) Short Subject. The studio wanted a diversified cartoon portfolio, so despite the success of "Puss Gets the Boot", Barbera and Hanna's supervisor, Fred Quimby, did not want to produce more cat and mouse cartoons believing that there were already enough cartoons of those in existence. Surprised by the success of "Puss Gets the Boot", Barbera
Daffy Doodles Porky. Porky, muttering to the audience "I hate that duck!", chases Daffy around the ledge. The chase continues with Daffy on a motor bike and ends back on the roof, where both of them crash through a skylight, leaving Porky with a literal handlebar moustache amid the wreckage. Porky chases Daffy through the building, where the duck cleverly gives him more mustaches. Porky finally spots Daffy inside a mail chute and races downstairs to pull him out. Daffy arrives and slaps handcuffs on himself and Porky upon accusing the latter of "robbing a mailbox." While still handcuffed, Daffy places one