Yamao
Profile
A minor samurai of the Onigashima raiding force. Named on-page but not clearly drawn — only the shouting samurai and Luffy are visible in the panel; the addressee “Yamao” is off-panel. A fresh, distinct name — not Yama (Skypiea) nor “Happa Yamao” (the unrelated SBS Vol. 76 giant).
Arc-by-arc updates
Onigashima Raid (Ch. 988) — first mentioned (named, not shown)
- On the Skull Dome Live Floor a fellow samurai shouts to him — “Yamao!! You handle Momo!! Help Shinobu protect him!!” — directing him to help guard Momonosuke alongside Shinobu (p. 11).