Cliff Clavin was created in 1982.
Cliff's Notes The Wisdom of Cliff Clavin - 2004 V is rated/received certificates of: UK:PG
Clavin
Answer: Carla did not like Diane Chambers or Cliff Clavin?
Alex Trebek has jokingly referred to this situation (making a risky Final Jeopardy bet with a dominating lead) several times in the actual show as "pull[ing] a Cliff Clavin." see related link
Season 9, Episode 19, "It's a Wonderful Wife"
John Ratzenberger, most well known as Cliff Clavin from Cheers.
Nicholas Clavin was born in 1948.
Cliff Clavin of "Cheers"
The actor John Ratzenberger is most famous for his role as Cliff Clavin in the popular sitcom Cheers. He was also the host of the John Ratzenberger's Made in America.
John Clavin was an infleutial French theologian and pastor during the Protestant Reformation!!!
Clavin Fisher has written: 'Three Spies For General Washington'
John Ratzenberger's voice appeared in ever Pixar feature film to date. (He played mailman Cliff Clavin in the TV series Cheers).