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Character: master chief

Master Chief Petty Officer John-117, simply known as Master Chief, is the main character of the Halo franchise. He is an augmented super-soldier and was one of the only survivors of the experiments led by Dr. Catherine Elizabeth Halsey.

He is the strongest Spartan in the entire UNSC, wearing Mjolnir Powered Assault Armor.

He is otherwise known as Sierra 117, John, and Chief.

This tag implicates halo_(series) (learn more).

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