Throughout the series, his position varies from a higer being similar to a god to an oni of a higer rank although his most well known career is an inventor especially the yokai car.
Yagyō-san first appeared in the second chapter of the 1980s manga Saishinban GeGeGe no Kitarō as the leader of the Hyakki-Yagyō. He was originally working for Nurarihyon but was defeated in chapter 6 and subsequently joined the Kitarō Family. He rides a headless horse called Kubikire-Uma.
In GeGeGe no Kitarō: Kitarō Jigoku-hen he was a guard in the Hunger Realm. Sometimes he has many look-a-like subordinates with him.
Starting with the 1985 anime, he is depicted as a Yōkai inventor.
He joins the crowd of yōkai gathering around the GeGeGe House, trying to drive Agnès out of the forest. He listens as Medama-Oyaji warns 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. This causes the crowd to look at one another, until their attention is drawn to Kitarō as he stands on his resolve to fight.
- ↑ GeGeGe no Kitarō (2007): Episode 7
- ↑ GeGeGe no Kitarō (2018): Episode 28
- ↑ GeGeGe no Kitarō (2018): Episode 35
|Ghost Tribe||Kitarō • Medama-Oyaji|
|Other members||Nezumi-Otoko • Neko-Musume • Sunakake-Babaa • Konaki-Jijii • Ittan-Momen • Nurikabe|
|Former members||Shisa • Yuki-Hime • Netarō|
|Recurring allies||Yobuko • Kasa-Bake • Abura-Sumashi • Tsurube-Bi • Bake-Garasu|
|Yōkai Apartments||Nekoko • Kamikiri • Azuki-Arai • Akaname • Tsurube-Otoshi • Gyūki|
|Yōkai Yokochō||Kawauso • Amabie • Rokuro-Kubi • Ohaguro-Bettari • Nurikabe-Nyōbō & Ko-Nurikabe|
|Other Allies||Maruge • Ido-Sennin • Bake-Kujira • Yagyō-san • Aobōzu • Simurgh • Agnès|
|Tendo Family||Yumeko Tendō • Hoshirō Tendō • Masao Tendō • Yūko Tendō|
|Elementary School Trio||Yūko Murakami • Shōta Suzuki • Jun Tanimoto|
|Others||Mizuki • Makoto Washio • Mana Inuyama|
|47 Yōkai Warriors|