Oyabun
Yamagishi Yasohachi2 series104 issues
Oyabun first appears in Weekly Shonen Jump in August 1968.
Real Name
Yamagishi Yasohachi
Hero Name
Oyabun
Publisher
First Appearance
Latest Series Appearances
Appears alongside
Start tracking your collection
Track what you own and follow the series you read.
See what other collectors are picking up.