Gary Portnoy (born June 8, 1956) is an American musician and singer-songwriter. He is best known for co-writing and performing the main theme song of the NBC sitcom Cheers, "Where Everybody Knows Your Name". == Career == In the early 1980s, Gary Portnoy and Judy Hart Angelo set out to write a theme for Cheers. After their first two attempts were rejected, "Where Everybody Knows Your Name" was selected. Prior to that, Portnoy's songs had been recorded by various artists,... [more on Wikipedia]