Master Chief Petty Officer John-117, aka Sierra-117, is a SPARTAN-II commando of the UNSC Naval Special Warfare Command in the "Halo" video game series. Give a nod to all your gamer friends when you add this John-117 itty bittys to your collection. Dressed for conquest with his olive-colored armor and iconic gold visor (no peeking!), this super soldier defends the human race, and leads the UNSC against alien forces. The plush version of Master Chief is perfect for a "Halo" gamer.