Watch The Mountain from 'Game of Thrones' become Europe's Strongest Man

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 earl...