Boris is a character who appeared in Soulcalibur: Broken Destiny's Gauntlet Mode in which the main character must fight him in a tournament.
He used the fighting style of Mitsurugi and had an eagle head. He appears to be boastful and arrogant.
While the Gauntlet is non-canon, Boris is considered a minor canon character.
He is an apprentice training under Olcadan.