Albert Demchenko, a Russian luger and Major in the Russian Armed Forces, supports the war in Ukraine. Demchenko, who also serves as the President of the Luge Federation of the Moscow Region and the President of the Bobsleigh and Skeleton Federation of the Moscow Region, has faced backlash for liking and sharing content related to the war, including posts featuring the letter Z.

His public support for the military aggression in Ukraine has drawn criticism from the international sports community and beyond.