Rizzo the Rat

Rizzo the Rat (potrayed by Steve Whitmire) is a rat who tends to crack jokes at others or make fun of them.

Sometimes, as seen in The Muppets Take Manhattan, he tries to cheat people into getting something he wants.

However, he also has a sensitive side and is good friends with a couple characters.

Trivia

 * Rizzo will meet Jeffrey in Jeffrey & Friends' Adventures of Muppets From Space.
 * It's possible that he and Gonzo will join Jeffrey and Jaden's team.