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 Duck in which Daffy attempts to wow the Bugs-besotted audience with an act in which he drinks gasoline and swallows nitroglycerine, gunpowder, and uranium-238 (in a greenish solution), jumps up and down to "shake well" and finally swallows a lit match that detonates the whole improbable mixture. When Bugs tells Daffy that the audience loves the act and wants more, Daffy, now a ghost floating upward (presumably to Heaven), says that he can only do the act once. Some TV stations, and in the 1990s the cable network TNT, edited out the dangerous act, afraid of imitation by young children. While