In a world that George R.R. Martin has filled with irredeemable characters, The Mountain That Rides may just be the worst — the murderous knight otherwise known as Ser Gregor Clegane has been responsible for some of the most shocking moments in Game of Thrones and the A Song of Ice and Fire novels. But the man who plays The Mountain in Game of Thrones' fourth season, Hafþór 'Thor' Björnsson, is a pretty formidable character himself; the Icelandic giant was crowned Europe's Strongest Man earlier this month in Leeds, England. Watch the video showing how he took the top prize, and you'll feel that little bit sorrier for certain characters in the show.