Norm Peterson Norm Peterson Hilary Norman Peterson is a character on the American television show "Cheers", portrayed by George Wendt. He is named Hilary after his grandfather. Norm appeared in all 275 episodes of "Cheers" between 1982–1993 and was initially the only customer featured in the main cast, later joined by Cliff Clavin, Frasier Crane, and Lilith Sternin. Along with Sam Malone and Carla Tortelli, Norm is one of only three characters to appear in every episode of "Cheers". He also made one guest appearance each in the three other sitcoms set in the "Cheers" universe: the "Frasier" episode "Cheerful Goodbyes," the
What Is... Cliff Clavin? book "Brainiac", noted that "Jeopardy!"-related sitcom episodes had become common at the time. On the first episode of "Jeopardy!" season 31, which aired on September 15, 2014, "Jeopardy!" champion Elizabeth Williams echoed Cliff Clavin's answer in her response to the Final Jeopardy clue. Williams's $600 wager combined with her opponents' incorrect responses allowed Williams to triumph that day, nonetheless. The episode inspired the term "Clavin's Rule" in reference to maximizing all the winnings at the final round and losing them all. What Is... Cliff Clavin? "What Is... Cliff Clavin?" is an eighth season episode of the American television series "Cheers".