Cyprian Youdle's killer

This individual attended a Quidditch match in Norfolk in 1357, most likely as a spectator. For reasons unknown, they killed the match's referee, Cyprian Youdle, with a curse and fled, thus becoming the only known person in history to kill a Quidditch referee during the course of a match. The individual was never caught for their crime or identified.

Appearances

 * Harry Potter and the Philosopher's Stone (video game)
 * Harry Potter and the Chamber of Secrets (video game)
 * Harry Potter and the Prisoner of Azkaban (video game)
 * Quidditch Through the Ages
 * Pottermore