Futomomotarou
A fat man that uses the Mackerel Sword sword who Jio and friends meet during the Rockbird Arc. After the time skip he is traveling with Jin. He is the "Husband" of the Zenom four guardian Spika and has been shown to have thigh fetish. he has also shown to be able to gain animal traits by eating dumplings. He also caries extra top knots for his hair. He joined the Crew after becoming Spika's husband. His O-Part is the Mackerel Sword.