The character of Cheer’s customer, know-it-all mail carrier Cliff Clavin, was portrayed by actor John Ratzenberger. The trivia espousing postman was often shown interacting with friend and fellow bar ...

Cheers to actor John Ratzenberger, a.k.a. Cliff Clavin of the hit TV series set in a bar "where everyone knows your name" for getting off his barstool to sing the praises of the vocational and manual ...