Peter Eric Zizzo (born February 22, 1966) is an American songwriter, music producer, musician and writer. Zizzo has written hits for artists such as Celine Dion, Avril Lavigne, Jennifer Lopez, Marit Larsen, O.A.R, Jason Mraz, Donna Summer, Diana Ross, M2M, Sir Cliff Richard, Clay Aiken, Howie Day, Kate Voegele, Jackie Evancho, Pixie Lott, Vanessa Carlton, and many others. He has been considered instrumental in developing the careers of artists Avril Lavigne, Vanessa Carlton in the US, and Pixie Lott in the UK. Recordings of his songs have collectively sold in excess of 100 million copies worldwide.
Zizzo has also produced songs for Nickelodeon and Nick Jr., including the shows Middle School Moguls, The Fresh Beat Band, Blue's Clues & You! and the Nickelodeon revival of Winx Club. For Winx Club, he composed many of the episodic songs as well as the single "We Are Believix," which was sung by Victorious star Elizabeth Gillies. In 2013, Zizzo won the Daytime Emmy Award for Outstanding Music Direction and Composition for his music on The Fresh Beat Band.