Dr. Teeth and The Electric Mayhem firmly established as the regular Muppet pianist. Later performances mostly feature lead vocals by Floyd or Janice and only a few featured Dr. Teeth. His speaking roles got even smaller after his performer Jim Henson's death; an exception was the 1991 Muppets stage show "Muppets on Location: Days of Swine and Roses", the voice being performed by John Kennedy. He performed Dr. Teeth from 1991 to 2003 but made only very brief appearances with very little dialogue, some examples being the 1999 film "Muppets from Space" and once in the music video for the We Are Family charity song in
Mayhem (band) vocalist after Dead's suicide, made this statement about him: "He [Dead] didn't see himself as human; he saw himself as a creature from another world. He said he had many visions that his blood has frozen in his veins, that he was dead. That is the reason he took that name. He knew he would die." In 1990, the members of Mayhem moved to "an old house in the forest" near Oslo, which was used as a place for the band to rehearse. They began writing songs for their next album, "De Mysteriis Dom Sathanas". Mayhem bassist Necrobutcher said that,