Do you remember Cliffy? He was the iconic postal worker on "Cheers," the sitcom set in Boston. Cliff Clavin is the very definition of a Mr. Know It All. There was nothing that Cliff didn’t have an ...

Cheers wouldn’t have been the same without Cliff Clavin — and the beloved character wouldn't exist without John Ratzenberger's quick thinking, according to the actor. “So I was walking out the door, ...