Sonny the Cuckoo Bird is the mascot for the popular breakfast cereal Cocoa Puffs. He is a cartoon character known for his energetic personality and love for chocolate-flavored cereal. Sonny is often depicted as a blue bird with a yellow beak and a playful demeanor, frequently exclaiming his catchphrase, "I'm cuckoo for Cocoa Puffs!" In commercials, Sonny is shown trying to get his hands on the cereal, often facing humorous obstacles. His character appeals to children and families, making him a recognizable figure in advertising. Sonny's antics emphasize the fun and excitement of enjoying Cocoa Puffs for breakfast.