'Game Of Thrones' Star Hafthor Bjornsson Makes History With Incredible Record Hafthor Bjornsson makes history with his strength.
Game Of Thrones' Hafthor 'The Mountain' Bjornsson Is The World's Strongest Man Of 2018 Hafthor Bjornsson, 'Game of Thrones' actor known as The Mountain, is this year's World's Strongest Man after he beat fellow mighty competitors Brian Shaw and Mateusz Kieliszkowski. Shaw won third place and Kieliszkowski second.