Kitaro's father, a partially decayed yōkai residing in a cemetery. In 1955, he travels to Yagura Village to search for his missing wife, becoming entangled in a violent clan succession struggle and a series of shrine murders that trigger a larger supernatural crisis.
Medama-Oyaji is explicitly identified as Kitarou's father in the narrative.
They cross paths in Yagura Village and navigate the succession crisis together.