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".
Mayhem (band) vocalists, Eirik Norheim ("Messiah") and Sven Erik Kristiansen ("Maniac"), in 1986 and 1987, respectively. Norheim played vocals only for a concert, which took place in April 1986 in Ski, and by the end of that year he had quit Mayhem. He later formed hardcore punk band Within Range and Oi!/street punk band Cockroach Clan. Whereas, with Kristiansen, Mayhem recorded its first EP, "Deathcrush", in 1987, and released it through Euronymous' newly formed label Posercorpse Music. The initial 1,000 copy release of "Deathcrush" quickly sold out. It was later reissued in 1993 by the newly renamed Deathlike Silence Productions as a