Portgas D. Ace

Portgas D. Ace, born as Gol D. Ace and nicknamed "Fire Fist" Ace, was the sworn older brother of Luffy and Sabo, and the biological son of the late Pirate King, Gol D. Roger, and Portgas D. Rouge. Ace was adopted by Monkey D. Garp, as had been requested by Roger before his execution. Ace was Captain of the Spade Pirates before being recruited into the Whitebeard Pirates and becoming its 2nd division commander. He ate the Mera Mera no Mi, giving him the power to transform into and manipulate flames.