Rizzo the Rat is a character from The Muppets, created by Jim Henson. He is a small, gray rat known for his street-smart personality and comedic antics. Rizzo often serves as a sidekick to other Muppet characters, particularly Kermit the Frog and Gonzo. He first appeared in the 1970s and has since become a beloved member of the Muppet ensemble. Rizzo is characterized by his New York accent and love for food, especially cheese. He often provides comic relief in various Muppet productions, including movies and television shows. His playful nature and quick wit make him a memorable figure in the Muppet universe.