Dr. Teeth and The Electric Mayhem his few speaking appearances was in the Shirley Bassey episode where he sang a line of "Barnyard Boogie." He was mainly created so that Whitmire could have a character to perform in the band. His lack of character development was apparently due to Whitmire's uncertainty about performing Lips. He was less experienced as a puppeteer at the time and wanted to use a voice like Louis Armstrong but was afraid of offending African Americans. After "The Muppet Christmas Carol", he wasn't seen at all until the NBC special "Christmas in Rockefeller Center". He also appeared in the movie "The Muppets".
The Muppet Show Kermit the Frog only plays a supporting role. Kermit the Frog becomes the host for the show from the start of the first series, while former host Nigel gets a part as the orchestra leader. Statler and Waldorf now watch the show from a balcony. Other characters from the pilots, including Dr. Teeth and the Electric Mayhem, Sam Eagle, The Swedish Chef, George the Janitor, Mildred Huxtetter, Crazy Harry, Brewster, Nigel the Conductor, and Droop continue to make appearances. Characters from previous Jim Henson productions also make appearances, including Rowlf the Dog, Sweetums and Robin the Frog (from "The Frog