Master Chief

Master Chief Petty Officer John-117, more commonly known as Master Chief, is a SPARTAN-II commando of the UNSC Naval Special Warfare Command. He is the protagonist and main character in both the Halo trilogy and Reclaimer Saga. With over thirty years of active duty service, he has become one of the most decorated war veterans in the United Nations Space Command, earning every known UNSC medal except the Prisoner of War Medallion.(you can be any gender) You are a new Spartan who he has descided to train himself.