Jason Huntingdon was a Ravenclaw student at Hogwarts School of Witchcraft and Wizardry in the 1990s. In 1996, on the Hogwarts Express, Jason stole a pair of Luna Lovegood's Spectrespecs, which he did not know how to use. Harry Potter retrieved them giving him a periodical in return. Once at Hogwarts, Jason was usually spending time at the Great Hall and at the Viaduct Entrance. Jason traded an Armadillo bile with Harry Potter.