GeGeGe no Kitarou character.
A human man who discovers Medama Oyaji and his wife Iwako at the tail end of their lives, and eventually Kitarou after the latter is buried. He raised Kitarou for part of his childhood, but is also the reason Kitarou only develops one eye.
In Kitarou Tanjou: GeGeGe no Nazo, he is familiar with the Kitarou family far before their natural deaths.