Shousa is the title used for the Major, the main antagonist in Hellsing. He is a fanatical Nazi officer and the charismatic leader of Millennium, a secret organization devoted to engineering war for its own sake. Calm, theatrical, and deeply sadistic, he orchestrates the chaos that drives much of the series' conflict. His obsession is creating an eternal battlefield, and he serves as the mastermind behind the invasion of London and the confrontation with the Hellsing Organization.