Cedric Diggory is a fictional character in J. K. Rowling's Harry Potter series. He is one of the main characters in the fourth book, Harry Potter and the Goblet of Fire, as he represents Hogwarts School of Witchcraft and Wizardry in the Triwizard Tournament, alongside Harry Potter. Cedric is murdered by Peter Pettigrew on Lord Voldemort's orders during Voldemort's resurrection in Little Hangleton.Cedric's death becomes a point of trauma and guilt for Harry and continues to haunt him, which leads him to form Dumbledore's Army as a way to help teach his fellow students to protect themselves in battle. His death is also a focal point of the stage play Harry Potter and the Cursed Child. Cedric was portrayed by Robert Pattinson in the film adaptation of Goblet of Fire and was briefly portrayed by Joe Livermore in Prisoner of Azkaban. His voice is acted by Blake Ritson in the Harry Potter and the Goblet of Fire video game. Source: Wikipedia (en)