This is Mykhailo Tsyutsyura.

Until recently he was an HMB and IMCF champion of medieval combat, but today he serves in the Ukrainian military and has swapped his sword for this massive gun. πŸ‡ΊπŸ‡¦ #ArmUkraineNow pic.twitter.com/RC7eK0ox9D

— Anton Gerashchenko (@Gerashchenko_en) June 22, 2022