Laffy#RIP Martin Mull -- famous for his work on "Roseanne" -- is dead at 80.
The longtime actor died Thursday at his home, the result of a long illness ... according to his rep, Jennifer Craig.
FunGuy2PlayWith@GottaLaff
I remember him from Clue as Colonel Mustard. And he was really, really good in Two and a Half Men.
I remember him from Clue as Colonel Mustard. And he was really, really good in Two and a Half Men.