Mr. Mull, who was also an artist and a musician, had a long list of credits that included the sitcoms “Roseanne” and “Veep.”

Martin Mull, the comic musician and actor who started with 1970s TV series “Fernwood 2 Night” and went on to appear as Colonel Mustard in “Clue” and on “Arrested Development” and “Roseanne,” died Thursday.

Comedian and actor Martin Mull has died. Mull's daughter says her father died Thursday after a long illness. He was 80 years old.