Ninth is a New World pirate who allied himself with Whitebeard.
Ninth is a tall man with dark hair and a scar on his forehead. He has long sideburns, a pointed nose and a rather long chin. His chest is exposed, and he has ruffles on his wrists.
Not much is known of Ninth's personality, other than that he was willing to fight to save Ace.
Abilities and Powers
Ninth is a fearsome pirate who has managed to achieve an infamous reputation in the New World, and to make an alliance with Whitebeard.
Ninth carries what appears to be a sword with a circular tsuba.
Some time prior to the current storyline, Ninth became a known pirate in the New World, and allied himself with Whitebeard.
Summit War Saga
When Portgas D. Ace was to be executed at Marineford, Ninth and his crew joined forces with the Whitebeard Pirates to save him.
He is first seen running with Andre and Rush when Ace was shouting to Luffy. He is maybe review after, hanging the attack of Pacifistas, a man who look likes Ninth is seen pierced by a laser.
Post War Arc
He, along with the rest of the crew, attended Whitebeard and Ace's funeral on a undisclosed island somewhere in the New World.