Five-time Worlds Strongest Man, Mariusz Pudzianowski, will make his MMA debut against Marcin Najman, another newcomer to the sport, will meet in a heavyweight match-up set for Warsaw, Poland as the headliner for an event titled KSW 12.

Pudzianowski is also known for practicing martial arts (he is a fourth kyu green belt in Kyokushin kaikan). He’s also trained as a boxer for seven years before he started to compete in strongman competitions.

The 6′1″, 285 pound freak of nature, also affectionately referred to as Super Mario, Pudzian, Dominator, and The Big Python, is scheduled to compete at this years Worlds Strongest Man Competition starting Sept. 26.