 Jim Henson (I) (qv)s Creature Shop was responsible for most of  the interesting aliens in the series. At one point, Crichton  complains about being chased by the electric mayhem. The band on the  _"Muppet Show, The" (1976)_ (qv) were known as Dr. Teeth and the  Electric Mayhem and put out at least one album in the 1970s.