He was one of the major stars of the 1970s, first as a singer/songwriter and then as part of the iconic Norman Lear comedies Mary Hartman, Mary Hartman and its spinoff, Fernwood 2 Night. Today, the wit and charisma Mull brought to his craft was fondly remembered by his peers as word of his passing…

Martin Mull, who played Colonel Mustard in Clue, Roseanne's boss Leon Carp in the ABC comedy Roseanne and starred on Norman Lear’s Fernwood 2 Nite, died Thursday at his home. He was 80. The news was revealed by his daughter Maggie Mull, an exec producer on Family Guy. Related…