Oyamada Keiko

Oyamada Keiko isa fictional character in the manga and anime series of Shaman King. She is the wife Oyamada Mansumi and the mother of Oyamada Manta and Oyamada Mannoko.

Personality
From her son Manta's own opinions, Keiko is apparently a very shallow and superficial person. She told her son not to be friends with Yoh anymore because how it would look for a member of the family to be seen with a spiritualist.

Shaman Fights in Tokyo
After her son was injured by the shaman Johann George Faust VIII she visited him in the hospital. There she tried to convice him, not to see Asakura Yoh anymore, but was also concerned how people would see her, after the events with her son.