text:  I don't know if you know this gentleman. I really don't know what to say about him myself. Mull appeared in dozens of TV shows and movies over the years, but his first brush with showbiz was as a songwriter. He wrote a response to the song A Boy Named Sue called A Girl Named Johnny Cash. Who knew Martin Mull was 80? This is CBS News. Think O'Reilly Auto Parts for all your car care needs. Get the parts and service you need fast from the professional parts people at O'Reilly Auto Parts.