About Martin Mull
Martin Eugene Mull was an American actor, musician, and painter. He became known on Mary Hartman, Mary Hartman, its spin-off Fernwood 2 Night, and America 2 Night. His other notable roles included Colonel Mustard in the 1985 film Clue, Leon Carp on Roseanne, Willard Kraft on Sabrina the Teenage Witch, Vlad Masters/Vlad Plasmius on Danny Phantom, and Gene Parmesan on Arrested Development. He had a recurring role on Two and a Half Men as Russell, a drug-using, humorous pharmacist. Throughout the 1970s, and especially in the first half of the decade, Mull was best known as a musical comedian, performing satirical and humorous songs both live and in studio recordings. Mull's first well-known acting role was as Garth Gimble in the 1976 television nighttime absurdist soap opera Mary Hartman, Mary Hartman. He created, wrote, and starred in the short-lived 1984 CBS sitcom Domestic Life, with Megan Follows playing his teenaged daughter.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.