Hafthor "Thor" Bjornsson, the massive bodybuilder who portrayed The Mountain on HBO’s "Game of Thrones," lost 110 pounds ahead of his debut as a boxer.
While he’s perhaps best known for his role on the hit HBO fantasy drama, Bjornsson spent most of his career training for strongman competitions.
He earned several consecutive wins throughout Europe, including the World’s Strongest Man title in 2018, before ultimately retiring from the sport after winning his 10th consecutive title as Iceland’s Strongest Man title.
However, that doesn’t mean he’s done pushing the limits of his body as he slims down to better train his endurance to prepare for a debut as a boxer.
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