Vic Mizzy, born January 9, 1916 (or 1922), in Brooklyn, New York, is an American composer for television and movies whose best known works are the themes to the 1960s television shows "Green Acres" and "The Addams Family". He also wrote the scores for two very popular Don Knotts films in the later half of the 1960's, "The Ghost And Mr. Chicken" and "The Reluctant Astronaut". Both scores possessed a sound which became billed as "The Don Knotts Sound". Wikipedia
The definitive Wikipedia entry for Vic Mizzy. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Vic_Mizzy
The TV studio producing "The Addams Family" didn't want to pay for singers to record Mizzy's theme song. He overdubbed himself singing it three times so that it would sound like a group of vocalists. He never had an agent and has always negotiated his own www.imdb.com/name/nm0006202/