Master Chief, Halo Wiki

The Master Chief, originally named John, was born in March 7 2511 and first lived with his family on the human colony planet Eridanus II. Large for his six years of age, and approximately a foot above his school peers, he is described as a typical boy with brown hair, freckles and a gap between his two front teeth.In 2517, John and seventy-four other children his age are covertly taken from their homes and replaced with clones to hide the kidnapping. The original children are brought to planet R

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