Little Virgil and Freddy Frogface (1980)

Little Virgil lives in a henhouse with his best friend Oscar, a one-legged rooster. Virgil's worst enemy is Orla, the local bully-boy. When a circus comes to town, Virgil hires on as the Human Cannonball's apprentice. The role is a perfect fit, and ugly, evil Orla finally gets his comeuppance.