Jon Vitti is an American writer best known for his work on the television series The Simpsons. He has also written for the King of the Hill and The Critic series, and has served as a consultant for several animated movies, including Ice Age and Robots. He is one of the eleven writers of The Simpsons Movie and also wrote the screenplays for the film adaptions Alvin and the Chipmunks and currently is writing Angry Birds for Rovio. Vitti is a graduate of Harvard University, where he wrote for and was president with Mike Reiss of the Harvard Lampoon. He was also very close with Conan O'Brien while at Harvard. Prior to joining The Simpsons, he had a brief stint with Saturday Night Live. He described his experiences on a DVD commentary as "a very unhappy year". After leaving The Simpsons' writing staff in its fourth season, Vitti wrote for the HBO series The Larry Sanders Show. Beginning in its seventh season, he has been a writer for The Office, and has penned two episodes since then. He is the second most prolific writer for The Simpsons; his 25 episodes place him after John Swartzwelder, who wrote 59 episodes. Vitti has also used the pseudonym Penny Wise.