A O

A.O is an infamous New World pirate who allied himself with Whitebeard.

Appearance
A.O is a man with a long square face, sideburns that go all the way to his chin, and greenish long wavy hair. He wears a standard tricone captain's hat with what appears to be his Jolly Roger. He also has an elaborate earring of some sort on his right ear.

Abilities and powers
A.O is a fearsome pirate who has managed to make himself an infamous reputation in the New World, and to ally himself with Whitebeard. He is presumably a strong pirate to be able to operate in the New World and make a name himself.

History
In the past, he allied himself with Whitebeard. A.O and his crew are first seen, along with a fleet of 42 other infamous pirate crews, allied with the Whitebeard Pirates, attacking Marineford to save Portgas D. Ace from his execution and participated in the Marineford Arc to try and save Ace.