Tokugawa, Ieyasu

徳川家康

In the manga, he is merely a fat, balding lieutenant of the Tokugawa clan, serving as a stand-in for the actual Tokugawa Ieyasu. Ieyasu himself disposes of him once his true identity is revealed.
In the anime, he is the genuine Tokugawa Ieyasu, though he had been dead for a long time and was transformed into Kenyou under Santera's control. He is killed by his son, Hidetada (Benitora).