The Fifth One

From The Matrix Wiki

The fifth One Biographical information Physical description Entity The One Gender Male Chronological information Appearences The Matrix (Mentioned only)
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"When the Matrix was first built there was a man born inside that had the ability to change whatever he wanted, to remake the Matrix as he saw fit. It was this man who freed the first of us and taught us the truth. When he died, the Oracle prophesied his return and envisioned that his coming would hail the destruction of the Matrix."

―Morpheus ^[src]

Morpheus told the story of the fifth One to Neo as an explanation of how the Resistance was formed and to explain freeing Neo's mind at such an older age than is normally considered.

Neo would learn later that he has more than just one predecessor as The One.