|English||Mr. Walk at Night|
|Manga||The Yōkai Seven|
|1985 anime||Hiroshi Ōtake|
|1996 anime||Hirohiko Kakegawa|
Yasuhiko Kawazu (Ep. 46)
Masaharu Satō (Ep. 114)
|2007 anime||Naomi Kusumi|
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.
|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 Family|
|Other Allies||Maruge • Ido-Sennin • Yagyō-san • Aobōzu|
|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|