Gillian Ossett

Gillian Ossett was a Hufflepuff student at Hogwarts School of Witchcraft and Wizardry in the 1990s. As a lover of wizard chess, she collected chess pieces, and traded her extra ones with other students for various objects. She could usually be found in the Defence Against the Dark Arts classroom during the 1996-1997 school year.

Appearances

 * Harry Potter and the Prisoner of Azkaban (video game)
 * Harry Potter and the Half-Blood Prince (video game)