A post shared by Hafþór Júlíus Björnsson (@thorbjornsson)In a side-by-side image — one from recent times and the other undated — the man known by "GOT" fans as "The Mountain" announced that he's gone from roughly 452 pounds to 342 pounds.
The new image show him incredibly muscular and toned.For those who follow the actor's Instagram feed, his weight loss isn't as much of a shock, as Hafpor often documents his workout regimens and weight loss.
The Icelandic actor often shows off his boxing skills on Instagram, as he attempts to transition from strongman to boxer. In January, Hafpor competed in an exhibition fight with Irishman Steven Ward.