John Dezso Ratzenberger (born April 6, 1947) is an American actor, voice actor, and entrepreneur who is said to be Pixar's "good luck charm" and has performed the voice of at least one character in every feature-length Pixar film to date.
He is, however, probably most famous for his Emmy-nominated role as Cliff Clavin on the TV show Cheers. Besides voicing a character in all Pixar films, he is also a team member of the Pixar Softball Team. Ratzenberger also hosted the documentary film Pixar: 20 Years of Animation and Counting. He said in an interview that out of all the characters he has voiced for Pixar, P.T. Flea from A Bug's Life is his favorite one that he's done. Ratzenberger was married to Georgia Stiny from 1984-2004 (divorced) by whom he has two children: a son named James John Ratzenberger born in 1987 and a daughter named Nina Katherine Ratzenberger born in 1989.
On November 6, 2012, John Ratzenberger married his girlfriend Julie Blichfeldt.
- Ratzenberger has stated P.T. Flea in A Bug's Life is his favorite role that he has done for Pixar.
- Ratzenberger had a cameo in DisneyToon Studios' Cars spin-off Planes, as the voice of jet tug Harland. He also voiced Brodi Enid in the film's sequel Planes: Fire & Rescue.
- Ratzenberger also voiced Aniyaku in the English dubbing of Studio Ghibli's Spirited Away (in which John Lasseter supervised).