Iwanabōzu (岩魚坊主, lit. Rock fish Monk, meaning "Char Monk") is a char fish yōkai.
In the sixth anime, not much is known about Iwanabozū, other than that he is a harmless yōkai and is rather calm. He is shown having an interest in Shogi, as he played a match against Akaname.
He is the 18th of the chosen 47 Yōkai Warriors and the representative of Gifu Prefecture. Along with Nami-Kozō, Iwanabōzu appears and becomes one of the 47 Yōkai Warriors in episode #92 of the fifth anime adaptation, Violent!! Yōkai Waterwheel!! Good Luck Nami-Kozō.
Five Iwanabōzu appear in episode #28, The Great Yōkai War. They appear along with several other yōkai of the GeGeGe Forest to help Kitarō fight off the Western Yōkai. Three saw Victor Frankenstein coming towards them, when his monster comes down, consuming two of them as one fell backwards to Hyōsube. He and two more are later seen witnessing the fight between the monster with Nurikabe. After Backbeard's army retreats, the three are seen recuperating from their injuries along with the others.
One is among the crowd gathered around the GeGeGe House, trying to drive Agnès out of the forest. He listens to Medama-Oyaji's warning that if they drive her out then the tragedy Malay yōkai will repeat somewhere else. Soon followed by Kitarō as he explains how grave the consequences are if Japan becomes a part of Backbeard's empire. Causing the crowd to look at one another, until Kitarō draws their attention as he stands on his resolve to fight.
Powers and Abilities
Another World Travel: He can freely travel from this world to another world to guide spirits to heaven.