What is the rat from the muppets?

Rizzo the Rat is a character from the Muppets franchise. He first appeared on The Muppet Show in 1980 and has since been featured in multiple Muppet movies, TV specials, and spin-off shows. Rizzo is a streetwise rat who is often seen giving sarcastic commentary and making wisecracks. He is known for his New York accent, his loyalty to his rat friends, and his love for food. Rizzo is typically portrayed as a supporting character and has appeared alongside other popular Muppet characters such as Kermit the Frog, Miss Piggy, and Gonzo.