|Kanji||音海善吉 (おとみ ぜんきち)|
|Height||172 cm (5'8")|
|Weight||57 kg (127 Ibs.)|
|Affiliations||Kanto Headquarters Exorcist Group|
|Relatives||Yukari Otomi (Daughter),|
Satoshi Otomi (Son),
Seigen Amawaka (Ex-Son-in-law),
Mayura Otomi (Granddaughter)
|Manga Debut||Chapter 1|
|Anime Debut||Episode 1|
|Voiced by||Akagi Susumu|
Zenkichi is an old skinny man, with almost waist-length hair often kept in ponytail. He wears big circle glasses and have a long beard and moustache.
Later, Zenkichi was seen in Seika Dormitory, were as Rokuro asked if there is something good about him, he told him that he can tell the difference between left and right.
Powers and AbilitiesEdit
As an exorcist, he is quite skilled and head of the Kanto Headquarters Exorcist Group.