John Giant

Vice-Admiral John Giant (ジョン・ジャイアント中将 Jyon Jyaianto Chūjō) is one of the naval officers shown in Chapter 95 in the Naval Headquarters during the announcement of Luffy's first bounty. At that time he was giving a speech regarding the "Justice", he was seen again in chapter 409 in one panel, shouting orders after the Buster Call was signalled. His name and rank are revealed in One Piece Blue.