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
Mayhem of the Music Meister! soundtrack of "Mayhem of the Music Meister!" was released on October 23, 2009 as "Batman: The Brave And The Bold: Mayhem of the Music Meister! (Soundtrack from the Animated Television Show)". It contains 8 tracks from the episode and has been praised as being fun while criticized for its brevity. Mayhem of the Music Meister! "Mayhem of the Music Meister!" is an episode of the "" animated series. The episode features the villainous Music Meister (voiced by Neil Patrick Harris), who uses his power to control people through song to try to take over the world. Written by Michael Jelenic