 He did, however, win the 1995 Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Comedy Series.Before "Seinfeld", Alexander starred in commercials for John Deere and McDonald’s, as well as in the short-lived CBS sitcom "Everything's Relative" (1987).Concurrently with his "Seinfeld" role, he provided the voice of the lead character in the animated series "Duckman" (1994–1997).