Gregor “The Mountain” Clegane has yet to meet his match in the world of Game of Thrones — despite how painfully close Prince Oberyn was to defeating him in season four of the hit HBO show. And in real life, the actor who plays the terror of Westeros, Thor Björnsson, seems to be having the same luck. The Icelandic strongman recently appeared on the Italian Guinness World Records TV show and challenged World’s Strongest Man winner Zydrunas Savickas to see who could carry two refrigerators over 20 meters in the fastest amount of time. Björnsson hauled the nearly 1,000-pound fridges over the finish line in a mere 19.6 seconds, not only beating Savickas, but also setting a new world record.

Read More: The Mountain from Game of Thrones Has Met His Arm Wrestling Match

Outside of acting, Björnsson is a frequent competitor in “World’s Strongest Man” events and recently broke a log-carrying record that had previously stood for 1,000 years.

Watch the full video above.

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Write to Megan McCluskey at megan.mccluskey@time.com.