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) had begun work on their fifth studio album. As of November 2013, the new album was being mixed, with an early 2014 release date expected. Several months later, on February 18, 2014, it was announced that Mayhem would release a new album in May 2014, with a new song "Psywar" made available for streaming. On February 20, 2014, the band's record label, Season of Mist, announced that the new album "Esoteric Warfare" would be released worldwide on May 27, 2014. This marked the first Mayhem studio effort since Blasphemer's departure and Teloch's permanent status in the band. In January 2015,