Game of Thrones' 'The Mountain' Threatens to Crush Cristiano Ronaldo's Head

Warning: The following article contains a spoiler for Game of Thrones Season 5.

Iceland may be the underdogs when they face Portugal in their first Euro 2016 game on June 14, but they do have one big—check, huge—fan in the form of Hafthor Bjornsson, who plays The Mountain in the popular TV series Game of Thrones.

The physically intimidating actor is one of Iceland's most famous exports, and he's upped anticipation for the match by laying down a warning to Portugal star Cristiano Ronaldo.

"If you dare to score against my team-mates, I will find you and crush your head like I did the Red Viper," Bjornsson warned the forward, per Soso Studios (via Sports Illustrated).

Don't worry, Cristiano. He's probably only joking.

Probably.

Update: June 14

After Iceland's 1-1 draw against Portugal on Tuesday, The Mountain showed his support:

Ronaldo failed to find the net but did have something to say after the contest:

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[YouTube: Soso Studios, h/t Sports Illustrated]