Name: Viktor Krum

Age: 17

School: Durmstrang Institute

Nationailty: Bulgarian

 

Viktor Krum appears in book 4 and is the Durmstrang Institute Champion in the Triwizard Tournament taking place at Hogwarts School. He falls in love with Hermione and invites her to dance together at the Yule Ball. In Harry Potter and the Orther of the Phoenix, they are still in contact, being pen pals.