The Mountain and the 3-year-old: Celebrity titan dresses up for birthday party

You may know him as The Mountain - the fearless, monstrous slayer of men from Game of Thrones – but Hafþór Júlíus Björnsson is actually a gentle giant with a heart of gold.

A newly-uploaded Icelandic television report shows the strongman - who at 6'9" and 191kg is every bit as massive as he appears on TV – spending time with a three-year-old friend of his.