
牛魔王
Supporting character in ONE PIECE.
Gyuumaou is based on Niúmówáng ("Ox-Demon-King", "Ox Devil Lord" or "Ox Tyrant") a character from the Chinese novel Journey to the West. Despite his threatening name, he is really quite harmless and fun-loving; given that Gyuu is the crest on his helmet, it is incorrectly assumed by fans that Gyuu is his surname and Maō is his first. He was somewhat demonic and frightening when his castle became engulfed in flames on Frypan Mountain. He wreaked havoc through the village at the foot of the mountain, threatening anyone he presumed would steal his treasure, until Kamesen'nin showed him the err...
| (Source | Wikipedia) |
Extracted from AniList description

Ace Portgas