Head Pixie, mostly known as H.P., is a major antagonist on the hit Nickelodeon TV series The Fairly OddParents, being a major antagonist of The Fairly OddParents, the main antagonist of the 2005 movie School's Out! The Musical, and is one of the two main antagonists (alongside Anti-Cosmo) of the 2008 sequel Fairly OddBaby.
He was the leader of the Pixies, the ruler of Pixie, Inc., and one of the evilest beings in the universe. HP wants to conquer Fairy World and the Earth to turn dull and boring. He is often assisted by his evil henchman Sanderson; however, they are always foiled by Timmy Turner and his fairy god-family.