Who is Hafthor Bjornsson? Yes, ‘The Mountain’ from Game of Thrones is set for boxing debut against Eddie Hall Unknown 04:46 Hafthor Bjornsson made himself known to a global audience thanks to Game of Thrones. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsAstros look to continue mastery of A's (Jun 13, 2018)WNBA should play game as part of Hall of Fame weekendJets' Bridgewater positive in comeback from 'scary' injuryTuesday's Sports in BriefD-backs jump all over Pirates early, hold on for 5th straight winFIFA members prepare to elect 2026 World Cup host