The actor who plays the role of 'The Mountain' in Game of Thrones (GoT), Hafþór Júlíus Björnsson on Friday set a new Guinness World Record for 'Fastest 20 metres carrying two fridges'. Competing against the 2014 World's Strongest Man title holder, the actor took 19.60 seconds, carrying a total weight of 450 kg, to achieve the feat.