A Main Character

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ray is not really in the game

master cheif info time: Master chief petty officer John-117, or "Master Chief", is a fictional character and the protagonist in the Halo multimedia franchise. Master Chief is a playable character in the series of science fiction first-person shooter video games Halo: Combat Evolved, Halo 2, Halo 3, Halo 4, Halo 5: Guardians and Halo Infinite. The character also appears in Halo books and graphic novels – including Halo: The Fall of Reach, Halo: The Flood, Halo: First Strike, and Halo: Uprising – and has minor appearances or cameos in other Halo media.

The Master Chief is a towering supersoldier known as a "Spartan", raised and trained from childhood for combat. He is almost faceless and rarely seen without his green-colored armor and helmet. He is commonly referred to by his naval rank rather than his given birth name. The character is voiced by Steve Downes, a former Chicago disc jockey, in the video games in which he appears. Downes based his personification of the Chief on an initial character sketch, which called for a Clint Eastwood–type character of few words. With each new appearance, the character's visual design underwent revamping or updates.

The Master Chief serves as a mascot for Halo and the Xbox brand.

Master Chief first appears in the games with Halo: Combat Evolved. After the destruction of the human stronghold of Reach, Master Chief and the crew of the UNSC ship Pillar of Autumn discover the alien ringworld Halo. Master Chief is entrusted with safeguarding Cortana, the ship's artificial intelligence, as her capture would give the Covenant vital tactical information. While fighting the Covenant, Master Chief and Cortana learn that Halo was created by an ancient race, the Forerunners, as a last line of defense against an alien parasite called the Flood. The Covenant accidentally release the Flood, which begins to spread across the ring. Learning that Halo's activation destroys all sentient life in the galaxy to prevent the Flood's spread, the Master Chief and Cortana destabilize Pillar of Autumn 's reactor, destroying it and Halo. The Master Chief and Cortana escape in a spacecraft.