Written by Jarrod Fairclough Gene (aka Behemoth) PERFORMED BY Various, inc Richard Hunt, Dave Goelz, Jerry Nelson & Bill Barretta FIRST APPEARANCE The Muppet Show Season 1, Episode 14 (Sandy Duncan) MOST RECENT APPEARANCE Muppets Most Wanted NAMED AFTER Bill Barretta’s brother, Gene Barretta WHO IS GENE? Originally named Behemoth until 2011, Gene first appeared…