Character List
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Occupation: Artificial Intelligence/Companion
Debut: Episode 1
Affiliation: UNSC Navy, ONI (Office of Naval Intelligence)
Faction: United Nations Space Command (UNSC)
Race: Human
Gender: Female (programmed personality)
Age: 8 years (at time of rampancy)
Cortana
HaloArtificial Intelligence/Companion
Advanced AI construct created from a clone of Dr. Catherine Halsey's brain, Master Chief's closest companion.
Occupation: Artificial Intelligence/Companion
Debut: Episode 1
Affiliation: UNSC Navy, ONI (Office of Naval Intelligence)
Faction: United Nations Space Command (UNSC)
Race: Human
Gender: Female (programmed personality)
Age: 8 years (at time of rampancy)
Personality
MysteriousIntelligentWittyLoyalProtective
Abilities
Computer system infiltrat...Data analysisTactical supportElectronic warfareHacking
Notable Items
Data crystal chipHolographic projectorsNeural interfaceUNSC databases
Quote:
Don't make a girl a promise... if you know you can't keep it.
character
Video Coming Soon
Occupation: Artificial Intelligence/Companion
Race: Unknown
Gender: Unknown
Age: Unknown
Cortana
HaloArtificial Intelligence/Companion
Advanced AI construct created from a clone of Dr. Catherine Halsey's brain, Master Chief's closest companion.
Occupation: Artificial Intelligence/Companion
Race: Unknown
Gender: Unknown
Age: Unknown
Artificial Intelligence/Companion
Occupation: Flood Compound Intelligence
Debut: Episode 1
Affiliation: Flood Collective
Faction: The Flood
Race: Human
Gender: N/A
Age: Unknown
Gravemind
HaloFlood Compound Intelligence
Collective consciousness of the parasitic Flood, representing the ultimate threat to all sentient life.
Occupation: Flood Compound Intelligence
Debut: Episode 1
Affiliation: Flood Collective
Faction: The Flood
Race: Human
Gender: N/A
Age: Unknown
Personality
MysteriousAncientManipulativeIntelligentMalevolent
Abilities
Collective consciousnessBiological assimilationAncient knowledgeManipulationRegeneration
Quote:
I am a monument to all your sins.
character
Occupation: Spartan Super-Soldier/Protagonist
Debut: Episode 1
Affiliation: UNSC Navy, Spartan-II Program
Faction: United Nations Space Command (UNSC)
Race: Human
Gender: Male
Age: 49 (chronologically), 41 (biologically due to cryo-sleep)
Master Chief Petty Officer John-117
HaloSpartan Super-Soldier/Protagonist
Legendary Spartan super-soldier and humanity's greatest warrior in the fight against alien threats.
Occupation: Spartan Super-Soldier/Protagonist
Debut: Episode 1
Affiliation: UNSC Navy, Spartan-II Program
Faction: United Nations Space Command (UNSC)
Race: Human
Gender: Male
Age: 49 (chronologically), 41 (biologically due to cryo-sleep)
Personality
MysteriousStoicDeterminedLoyalProtective
Abilities
Superhuman strengthEnhanced reflexesTactical geniusWeapon masteryLeadership
Notable Items
MJOLNIR Powered Assault ArmorMA40 Assault RifleCortana AIEnergy Sword
Quote:
I need a weapon.
Occupation: Spartan Super-Soldier/Protagonist
Race: Unknown
Gender: Unknown
Age: Unknown
Master Chief Petty Officer John-117
HaloSpartan Super-Soldier/Protagonist
Legendary Spartan super-soldier and humanity's greatest warrior in the fight against alien threats....
Occupation: Spartan Super-Soldier/Protagonist
Race: Unknown
Gender: Unknown
Age: Unknown
Spartan Super-Soldier/Protagonist
Occupation: Covenant Supreme Leader
Debut: Episode 1
Affiliation: High Prophets, Covenant Hierarchy
Faction: Covenant Empire
Race: Human
Gender: Male
Age: Unknown
Prophet of Truth
HaloCovenant Supreme Leader
Manipulative leader of the Covent who seeks to activate the Halo rings for religious purposes.
Occupation: Covenant Supreme Leader
Debut: Episode 1
Affiliation: High Prophets, Covenant Hierarchy
Faction: Covenant Empire
Race: Human
Gender: Male
Age: Unknown
Personality
MysteriousManipulativeFanaticalRuthlessIntelligent
Abilities
Political manipulationReligious authorityStrategic planningCovenant commandDeception
Quote:
I am Truth! The voice of the Covent!
Occupation: Covenant Warriors
Debut: Episode 1
Affiliation: Unknown
Faction: Covenant Empire / Swords of Sanghelios
Race: Human
Gender: Various
Age: Unknown
Sangheili (Elite)
HaloCovenant Warriors
Proud warrior race that served as the military backbone of the Covent before the Great Schism.
Occupation: Covenant Warriors
Debut: Episode 1
Affiliation: Unknown
Faction: Covenant Empire / Swords of Sanghelios
Race: Human
Gender: Various
Age: Unknown
Personality
MysteriousHonorableProudWarrior-likeNoble
Abilities
Master combat skillsEnergy sword masteryMilitary tacticsHonor codeLeadership
Quote:
Wort wort wort!
Video Coming Soon
Occupation: Marine Non-Commissioned Officer
Race: Unknown
Gender: Unknown
Age: Unknown
Sergeant Major Avery Junior Johnson
HaloMarine Non-Commissioned Officer
Tough-as-ils Marine sergeant and one of the few humans immune to Flood infection.
Occupation: Marine Non-Commissioned Officer
Race: Unknown
Gender: Unknown
Age: Unknown
Marine Non-Commissioned Officer
Occupation: Elite Warrior/Former Covenant Commander
Debut: Episode 1
Affiliation: Elite Separatists, UNSC Alliance
Faction: Swords of Sanghelios (formerly Covenant)
Race: Human
Gender: Male
Age: Unknown (mature Elite)
Thel 'Vadam (The Arbiter)
HaloElite Warrior/Former Covenant Commander
Former Covent Supreme Commander who becomes an ally to humanity after learning the truth about the Halo rings.
Occupation: Elite Warrior/Former Covenant Commander
Debut: Episode 1
Affiliation: Elite Separatists, UNSC Alliance
Faction: Swords of Sanghelios (formerly Covenant)
Race: Human
Gender: Male
Age: Unknown (mature Elite)
Personality
MysteriousHonorableProudWiseDetermined
Abilities
Master swordsmanMilitary tacticsLeadershipCombat expertiseHonor code
Notable Items
Energy SwordArbiter ArmorCovenant weaponsElite combat harness
Quote:
Were it so easy.
Occupation: Elite Warrior/Former Covenant Commander
Race: Unknown
Gender: Unknown
Age: Unknown
Thel 'Vadam (The Arbiter)
HaloElite Warrior/Former Covenant Commander
Former Covent Supreme Commander who becomes an ally to humanity after learning the truth about the...
Occupation: Elite Warrior/Former Covenant Commander
Race: Unknown
Gender: Unknown
Age: Unknown
Elite Warrior/Former Covent Commander
Occupation: Covenant Infantry
Debut: Episode 1
Affiliation: Unknown
Faction: Covenant Empire
Race: Human
Gender: Various
Age: Unknown
Unggoy (Grunt)
HaloCovenant Infantry
Small, methane-breathing aliens serving as cannon fodder in the Covent military hierarchy.
Occupation: Covenant Infantry
Debut: Episode 1
Affiliation: Unknown
Faction: Covenant Empire
Race: Human
Gender: Various
Age: Unknown
Personality
MysteriousCowardlyLoyalNumerousExpendable
Abilities
Basic combatEquipment operationSwarm tacticsMethane breathing
Quote:
Run away! Run away!
Occupation: Human Infantry
Debut: Episode 1
Affiliation: Unknown
Faction: UNSC Marine Corps
Race: Human
Gender: Various
Age: Unknown
UNSC Marine
HaloHuman Infantry
Brave human soldiers fighting on the front lines against overwhelming alien forces.
Occupation: Human Infantry
Debut: Episode 1
Affiliation: Unknown
Faction: UNSC Marine Corps
Race: Human
Gender: Various
Age: Unknown
Personality
MysteriousBraveLoyalDeterminedHumorous
Abilities
Military trainingWeapon proficiencyTactical coordinationCourage under fire
Quote:
Oorah! Let's get some!
character
Occupation: Forerunner Warrior-Servant
Debut: Episode 1
Affiliation: Warrior-Servant caste
Faction: Forerunner Ecumene (rogue)
Race: Human
Gender: Male
Age: Unknown
Ur-Didact
HaloForerunner Warrior-Servant
Ancient Forerunner military commander driven mad by imprisonment and torture, seeking revenge on humanity.
Occupation: Forerunner Warrior-Servant
Debut: Episode 1
Affiliation: Warrior-Servant caste
Faction: Forerunner Ecumene (rogue)
Race: Human
Gender: Male
Age: Unknown
Personality
MysteriousAncientBitterIntelligentVengeful
Abilities
Forerunner technology mas...Constraint field manipula...Ancient knowledgeMilitary strategyComposer control
Quote:
So fades the great harvest of my betrayal.
character
Character Battles
A quick, data-driven snapshot of the strongest characters based on the enjoyip Battle Score framework.
Top Battle Score Characters
A quick, data-driven snapshot of the strongest characters based on the enjoyip Battle Score framework. Try the Battle Simulator.
6 picks
Battle Score Curve
Descending trend from the highest-ranked character downward
Battle Score Table
| Rank | Character | Battle Score | Tier |
|---|---|---|---|
| 1 | Gravemind | 9.45 | god |
| 2 | Didact | 9.38 | god |
| 3 | Master Chief | 8.84 | mid |
| 4 | Prophet of Truth | 8.70 | high-meta |
| 5 | Arbiter | 8.10 | meta |
| 6 | Cortana | 7.91 | mid |
Battle Score is a composite metric designed for cross-franchise comparisons. It is not a canonical in-universe power level.