(Helen Sloan / HBO) (Helen Sloan / HBO)

Hafþór “Thor” Júlíus Björnsson is one of the the strongest men in the world — and he’s thrown a washing machine 15 feet to prove it. He’s so big and so strong that he caught the eye of Indianapolis Colts owner Jim Irsay a year ago before the NFL draft.

But Björnsson has bigger (no pun intended, nope, no siree) things in mind. The 6-foot-9, 419-pound man from Iceland is the third man to portray Gregor Clegane — also known as The Mountain — in HBO’s “Game of Thrones.” He made his debut Sunday and let’s just say that he’s going to figure prominently in the plot for the rest of this season, given that he’s fighting for Cersei Lannister in Tyrion’s trial by combat.

When he isn’t acting, Björnsson competes in the World’s Strongest Man events that used to be shown endlessly, as USA Today’s For the Win points out, on ESPN2. He finished second this year and was third in 2012 and 2013.

When he’s training, he consumes 10,000 calories.

(Via @imgur)

Act Four: Alyssa Rosenberg reviews this week’s episode