Halo: Campaign Evolved - Characters
The human cast and AI companions at the heart of Halo: Combat Evolved, from the Master Chief and the AI Cortana to the UNSC officers of the Pillar of Autumn and the enigmatic Forerunner Monitor 343 Guilty Spark. The Covenant and the Flood are covered in the enemies section.
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of 6 entries
· updated 2026-09-15
| Name | Type | Description | Role | Faction | Abilities | Source |
|---|---|---|---|---|---|---|
| Master Chief (SPARTAN-117 / John-117) | Protagonist | The armored supersoldier of the Spartan-II program and the player character. | Protagonist | UNSC | Rechargeable MJOLNIR energy shielding Two-weapon ballistic and plasma combat Mastery of all human and Covenant weaponry Vehicle piloting and boarding | Player character |
| Cortana | AI Companion | A smart AI fragment created from the cloned brain of Dr. | Allied AI | UNSC | Forerunner system navigation and decryption Tactical analysis and hacking Guidance through the Pillar of Autumn and ring defenses | Interfaced with the Master Chief's armor aboard the Pillar of Autumn |
| Captain Jacob Keyes | UNSC Officer | The seasoned, by-the-book captain of the UNSC Pillar of Autumn whose discovery of the ruins of a dead civilization reshaped humanity's war. | Commanding Officer | UNSC | Tactical command and naval strategy Extraction of intelligence from captured Covenant vessels | Pillar of Autumn command; later held aboard the Truth and Reconciliation |
| Sergeant Major Avery Johnson | UNSC Marine NCO | The grizzled Marine senior non-commissioned officer who leads the ground forces that crash-land with the Chief. | Supporting Ally | UNSC | Marine infantry command Guerilla tactics and close-quarters fighting | Survivor officer leading Marine forces on the ring |
| Foehammer (Echo 419) | UNSC Pilot | The call sign of the Pelican dropship pilot Carol Rawley, who ferries the Chief and Marines across the ring under heavy fire. | Supporting Ally | UNSC | Pelican dropship piloting Troop and vehicle extraction | UNSC aerial transport pilot (Echo 419) |
| 343 Guilty Spark | Forerunner Monitor | The floating, metal-skinned Forerunner Monitor of Installation 04, centuries old and obsessed with his primary function. | Enigmatic Guide | Forerunner | Forerunner control-room operation Regenerative energy attacks Knowledge of the ring's construction | Encountered at the Library and throughout the ring's facilities |
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