Given name: 優作 Family name: 芝田Birthday: Unknown Website: Member Favorites: 5 More: He was the assistant of Eiichiro Oda and Kouhei Horikoshi. He is the son of Hiroki Shibata and the older brother of Hikari Shibata. Twitter: @tokiwablue21 | No staff positions have been added to this person. Help improve our database by adding a staff position here. Sort Members Is there work here that shouldn't be? . Recent News |