Not very sharp of him. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. John Ratzenberger, who played Cliff Clavin for the entirety of Cheers’ run ...

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 ...

Mailman Cliff Clavin (John Ratzenberger) was the literal USPS-blue-collar worker on Cheers, but his good buddy Norm Peterson (George Wendt), an accountant, was its everyman. Wendt passed on Tuesday of ...

Cliff Clavin, a mailman from the TV series “Cheers”, has an idea to save the postal service. The actor, John Ratzenberger, recorded a message talking about the USPS and his plea to show support. "You ...