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

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.