sakazuki (akainu)
Admiral Akainu (real name; Sakazuki) is a Marine admiral in the world of One Piece, being one of the series' main antagonists.
Having consumed the Magu Magu no Mi Devil Fruit, he has the power to turn into and control magma.
Promoted to Fleet Admiral after the war against Whitebeard. He fought against Aokiji for ten days straight at Punk Hazard before emerging victorious.