In manga: Tokugawa Ieyasu is the father of Benitora (Hidetada) and the daimyo of the Tokugawa clan. He is portrayed as a middle-aged man and a ruthless daimyo; he pretended to be Hattori Hanzo and used a double, a fat balding lieutenant of the Tokugawa clan, to play his role. Following the Shogun Tournament, he reveals himself to Kyo and the others. Later on in the story, he entrusts the Hokuraku Shimon to Benitora and helps Kyo defeat the former Crimson King.

In anime: Hattori Hanzo is the leader of Iga ninja in Tokugawa clan. When Tokugawa Ieyasu was killed by Hidetada, he was told to stay in Edo and act as Tokugawa Ieyasu.