James Potter, nicknamed Prongs, is the father of Harry Potter and husband of Lily Potter. James met Sirius Black, Remus Lupin, and Peter Pettigrew when they entered Hogwarts. When James, Sirius, and Peter discovered that Remus is, in fact, a werewolf, the three of them illegally learned to become Animagi to accompany Remus safely during his transformations and keep him under control. It is during this time that they discovered almost all the secret passageways of Hogwarts and designed the Marauder's Map. At school, James is said to have been a talented player on the Gryffindor Quidditch team. In the film version of "Philosopher's Stone", Harry and his friends find James' name listed on a plaque as a Seeker on his Quidditch team; however, Rowling stated in an interview that she intended him to be a Chaser.