Which character is nicknamed "The Mountain" and played by Hafþór Júlíus Björnsson in the TV version of Game of Thrones?
Hafþór Júlíus Björnsson Hafþór Júlíus "Thor" Björnsson (] ; also Hafthor Julius Bjornsson, born November 26, 1988) is an Icelandic professional strongman, actor, and former professional basketball player. He plays Ser Gregor "The Mountain" Clegane in the HBO series "Game of Thrones".
Margaery Tyrell Margaery Tyrell is a fictional character in the "A Song of Ice and Fire" series of high fantasy novels by American author George R. R. Martin, and its television adaptation "Game of Thrones". Though a supporting character in the books, she played a more prominent role in the HBO series, and rose to become a main character eventually, where she is portrayed by Natalie Dormer. Margaery is first mentioned in "A Game of Thrones" (1996) and first appears in "A Clash of Kings" (1998).