Oleg Aleksandrovich Prudius (born April 27, 1979) is a Ukrainian American professional wrestler, also known by his ring name Vladimir Kozlov. He is currently signed to Inoki Genome Federation. He also worked for WWE from 2006 to 2011. He is trained in freestyle wrestling, rugby, American football, sambo, kickboxing, judo, and mixed martial arts.
Prudius has also worked as a stage and screen actor, having a small part in Spike Lee's 25th Hour. Kozlov also had a role in Grindhouse, appearing in the "Werewolf Women of the SS" trailer; he was credited under his real name and his WWE persona for the appearance. He is a former Ohio Valley Wrestling Heavyweight Champion.
On December 8, 2009, Prudius became a United States citizen.