Daffy pranks Porky in the One Froggy Evening sequel
Porky is a construction worker at Leon Slesinger & Associates. When he takes a lunch break Daffy switches Porky's lunch with a singing frog. Porky quits his job and books a theater. The turnout is magnificent but the frog won't sing. Daffy then turns on the sprinklers and revealed that the frog is a robot. Everyone leaves and Porky says "I hope Leon saved my contract"
Leon Slesinger appears as Porkys manager
Bugs, Yosemite Sam, Wile E. Coyote, Roadrunner, Sylvester, and Tweety make human-ish cameos in the theater audience