Oyamada Mansumi

Oyamada Mansumi (小山田萬純) is a fictional character in the Shaman King series. He is the president of large corporation and the husband of Oyamada Keiko and father of Manta and Mannoko.

Personality
He is a strict father who believes that parents must protect their children at any cost. He is not above hitting his own son when he talks back to him, and is also prepared to force him to back come back to America. But he still has high expectations of him and wants his son Manta to inherit his company. He is however a bit of a romanticist and wishes to expand his company into outer space.

Anime/Manga Difference
Mansumi does not appear in the 2001 anime series.