Master Chief
Basic Information
Full Name: John-117
Aliases/Nicknames: Master Chief, Sierra-117, The Chief, Spartan
Age: Born March 7, 2511
Gender: Male
Occupation: SPARTAN-II commando, Naval Special Warfare Command operator
Affiliation: United Nations Space Command (UNSC)
Appearance
Height: 208.3 centimeters (6 ft 10 in) without armor; 218 centimeters (7 ft 2 in) with
armor
Build: Muscular
Eye Color: Blue
Hair Color: Brown
Distinguishing Features: Mjolnir Powered Assault Armor
Background
Place of Origin: Eridanus II
Family: Not disclosed in records
Education: Military training as part of the SPARTAN-II program
History: Conscription into the SPARTAN-II program at a young age, extensive
combat experience throughout the Human-Covenant War
Personality
Traits: Stoic, disciplined, focused, a man of few words
Likes: Not specified, but shows a strong dedication to his duty
Dislikes: Threats to humanity, Covenant forces
Strengths: Leadership, resilience, combat expertise
Weaknesses: Limited emotional expression, carries the weight of many personal
losses
Abilities
Skills: Expert in various forms of combat, strategic planning, and use of a wide
range of weaponry
Powers (if applicable): Enhanced strength, agility, and reflexes due to biological
augmentations
Equipment/Tools: Mjolnir armor, an array of firearms, Cortana (AI companion)
Relationships
Allies: UNSC forces, Cortana, Blue Team
Enemies: Covenant, Flood, Prometheans
Romantic Interests: None specified
Mentors: Dr. Halsey (creator of the SPARTAN-II program)
Proteges: None specified
Story Arcs
Notable Events: Key figure in the Human-Covenant War, Battle of Installation 04,
Battle of Earth, and the Reclaimer Saga
Character Development: Evolution from a purely mission-focused soldier to a
more complex character grappling with loss and his humanity
Challenges/Conflicts: Constant battle against overwhelming odds, internal
conflict regarding his role as a soldier and his connection to Cortana
Quotes
Catchphrases: “I need a weapon.”
Notable Dialogue: “Our duty, as soldiers, is to protect humanity. Whatever the
cost.”
Trivia
Interesting Facts: One of the most decorated war veterans of the UNSC, known for
earning every known UNSC medal except the Prisoner of War Medallion
Influences: Represents the archetypal super-soldier and silent protagonist in video
games
Cultural Impact: Iconic character in the gaming industry, central to the success
and identity of the Halo franchise
Probable Death Battle Victor
Vs Marty McFly: Master Chief (99% probability of victory) - Superior combat
training and futuristic weaponry.
Vs Robin Hood: Master Chief (98% probability of victory) - Advanced armor and
tactical advantage.
Vs T-800 Terminator: Master Chief (70% probability of victory) - Enhanced agility
and strategic combat skills.
Vs The Master Chief: Inconclusive (50% probability of victory) - Equal capabilities.
Vs Wonder Woman: Wonder Woman (60% probability of victory) - Superhuman
abilities and divine origin.
References
First Appearance: Halo: Combat Evolved (2001)
Creators: Bungie
Portrayed by: Steve Downes (voice)