Rizzo the Rat "Midnight Cowboy". Steve Whitmire created the character, based on rats he had previously made out of bottles. Rizzo first appeared in episode 418 of "The Muppet Show", as one of many rats following Christopher Reeve backstage. He can be seen mugging and reacting to practically every line of dialogue. He remained a scene-stealing background figure through the final season, occasionally performing with Dr. Teeth and The Electric Mayhem. By the time of "The Muppets Christmas Carol", Whitmire had been performing Rizzo for around 12 years. After the series, he appeared in "The Great Muppet Caper" as a bellboy in a
Dr. Teeth and The Electric Mayhem is a lead guitar player with a flower child personality. She has blond hair, big eyelashes and lips and usually wears a brown hat with a turquoise gem and a feather. Though she regularly performed vocals, she actually only sang lead a couple of times on the show. She also acted in sketches periodically, most notably as wisecracking Nurse Janice in 'Veterinarian's Hospital', a recurring parody of medical dramas; in the latter role, she dispenses with much of her flower child lingo. Her name is an homage to Janis Joplin. Janice is the band's lead guitar player and she plays