Jeopardy! fans are reeling after a Final Jeopardy wager brought back memories of Cliff Clavin, the beloved mailman barfly from Cheers. During an episode of the iconic sitcom, Cliff (John ...

Unlike Cliff Clavin, the character he plays on the Emmy-winning Cheers, John Ratzenberger does not live at home with his mother. Nor does he rattle trivia facts off the top of his head or watch ...

In a 1990 episode of “Cheers” entitled “What is…Cliff Clavin,” Cliff (John Ratzenberger) appears on the game show during one of its remote tapings in Boston, where the titular bar is ...

But his long-running stint as know-it-all Cliff Clavin on Cheers almost didn't happen. "In the first season, I wasn't a regular," Ratzenberger, 56, recalls . "I invented the character in the ...

John Ratzenberger as Cliff Clavin on 'Cheers' in the 1980s ...