From Wikipedia, the free encyclopedia Jesse Donald "Don" Knotts (July 21, 1924 – February 24, 2006) was an American comedic actor best known for his portrayal of Barney Fife on the 1960s television sitcom The Andy Griffith Show, a role which earned him five Emmy Awards. He also played landlord Ralph Furley on the 1970s television sitcom Three's Company. Description above from the Wikipedia article Don Knotts, licensed under CC-BY-SA, full list of contributors on Wikipedia.