Viktor Krum
Viktor Krum is a student wizard at the Durmstrang Institute. He is a Seeker for the Bulgarian Quidditch team.
Background
Fleur Delacour is a student witch at the Beauxbatons Academy of Magic. Her sister is Gabrielle Delacour.
During the events of Harry Potter and the Goblet of Fire (2005) played by Clemence Poesy
Albus Dumbledoretells the students that Hogwarts will be hosting the Triwizard Tournament. Dumbledore introduces Madame Olympe Maxime and the students of the Beauxbatons Academy of Magic, including Fleur. He then introduces Igor Karkaroff and the students of Durmstrang, which includes Viktor Krum. The Goblet of Fire is brought into the hall and Dumbledore tells the students that whoever wins the tournament will have eternal glory. Barty Crouch tells the students that no student under the age of 17 will be able to apply to participate for the Triwizard Tournament.`
During the champion selection, Cedric Diggory, Viktor, Fleur and Harry Potter's names are chosen. A Photographer takes a photo of the contestants and then Rita Skeeter interviews them. During the first challenge, each contestant picks a representation of the dragon they will face from a bag. Fleur pulls out a Welsh Green, Viktor pulls out a Chinese Fireball, Cedric pulls out a Swedish Short-Snout and Harry pulls out a Hungarian Horntail. They are then tasked with collecting the dragon egg guarded by the dragons. On the day of the Yule Ball, Fleur goes with Roger Davies. During the next challenge, each challenger must collect a loved one from the Black Lake. As Fleur is going to rescue Gabrielle, she is grabbed by Grindylows and removed from the competition. Harry rescues Gabrielle and thanks kisses Harry and Ron Weasley in thanks.
The final challenge begins and the challengers enter a maze. Fleur is attacked by Viktor and exits the challenge. Viktor attacks Cedric, but is stunned by him and Harry stops Cedric and tells him, Viktor has been bewitched. Harry and Cedric grab the Goblet at the same time and appear in the Riddle cemetery. Peter Pettigrew walks over with Voldemort and Voldemort has Peter kill Cedric. Voldemort challenges Harry to a duel and as they are dueling, their wands appear to cancel each other out. The dead spirits of Frank Bryce, Cedric, James Potter and Lily Potter appear and James tells Harry to run to the Goblet, which acts as a Portkey.