John Ratzenberg invented the character of Cliff Clavin on ‘Cheers’ The story goes, Ratzenberger was auditioning for Norm. He didn’t get that part but he suggested they had a know-it-all to ...

Still, fans of the long-running series were attached to a character they never saw. Rhea Perlman as Carla Tortelli, John Ratzenberger as Cliff Clavin, and George Wendt as Norm Peterson | NBCU ...

"Cheers" star John Ratzenberger recalled an "odd" fan encounter while filming the hit TV show. Ratzenberger, who starred as Cliff Clavin, had noticed an audience member fixated on Shelley Long and ...

Frances Sternhagen, a Tony Award-winning actor who played eccentric maternal characters in ... the City,” and Esther Clavin, the domineering mom of postal worker Cliff Clavin, on “Cheers.” ...