Trev Mallory

Trev Mallory was a Gryffindor student at Hogwarts School of Witchcraft and Wizardry. He once signed up for Quidditch training at 7pm on Saturday on a sign-up sheet that was posted on the bulletin board in the Gryffindor common room.

Appearances

 * The Wizarding World of Harry Potter
 * Harry Potter and Me (Possibly