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He's out to vanquish any Koopas, er, countries in America's path.
Team USA curler Matt Hamilton's pushbroom mustache and red hat have people comparing him to Nintendo hero Mario, the princess-saving, Mushroom Kingdom-dwelling super plumber.
The Team USA Twitter account had some fun with the uncanny resemblance between Hamilton and the video game icon after a viewer noticed the resemblance during a mixed doubles match against the Russians on Wednesday.
Hamilton, 28, who calls himself a "mustache enthusiast" on his Twitter bio, is one half of the #HamFam competing in South Korea.
His partner isn't Luigi — it's his sister, Becca, 27, who combined with him to go 1-1 in matches on Wednesday and Thursday.
Mixed doubles curling has been added to the Winter Olympics for the first time this year, and U.S. fans are excited about having a Super Mario doppelganger on the team.
The #HamFam opened their Olympic competition with a 9-3 win over Team OAR, the Olympic Athletes from Russia squad. (Russia was barred from Pyeongchang due to a doping scandal, but a group of Russian athletes is still competing under the OAR banner.)
The siblings then lost 6-4 to Canada in their second match, putting them at .500 in the first of four days of qualifying rounds.
They will be back in action on Friday.
Follow TODAY.com writer Scott Stump on Twitter.