Romanized Name: Nekomamushi
Japanese VA: Masaru Ikeda;Arisa Sekine (young)
Debut: Chapter 809; Episode 756
Japanese Name: ネコマムシ
Funi English VA: SungWon Cho;Emi Lo (young)
Epithet: "Master Nekomamushi" (ネコマムシの旦那, Nekomamushi no Dan'na, Viz: "Cat Viper" Funimation: "Master Cat Viper")"Ruler of Night" (夜の王, Yoru no Ō, Simulcast subs: "King of Night")
Affiliations: Mokomo Dukedom; Guardians; Kozuki Family; Ninja-Pirate-Mink-Samurai Alliance (disbanded); Nine Red Scabbards; Roger Pirates (former); Whitebeard Pirates (former)
Occupations: Ruler of Mokomo Dukedom (former); Guardian of the Whale Forest (former); Retainer; Samurai; Pirate Apprentice (former)
Official English Name: Cat Viper