Game of Thrones star Hafthor Bjornsson has set a new world record, surpassing his own previous keg-tossing high. According to Giants Live, the actor who plays Ser Gregor Clegane (aka "The Mountain") on the popular HBO series was able to toss a 33-pound keg over 23 feet in the air. "It was easy!" Bjornsson said of the feat.