Axel is a half man/half fishman.From his childhood he was the slave of the humans and he hated them.One day he changed himself he saw the fight between Fire Fist Ace and Jinbe he watched them how they fought.After the battle he changed himself he didn't hated humans anymore.After that he meet Alaude Hasegawa, joined his crew and beacome second man in the crew.Now he sails alongside Alaude Hasegawa and his crew mates into the New World.