Nekomamushi

The Master of the Night, the cat-ruler of Zou, an ally of the Kozuki and companion of Oden.

Nekomamushi, the mink ruler 'Cat Viper' who reigns over Zou by night, who travelled with Oden on the ships of Whitebeard and Roger. Boisterous and immensely strong, he leads the minks, some able to undergo the fearsome Sulong transformation under the full moon.