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Great Philosopher (大哲人, Dai Tetsujin) is the A-Class Rank 13 professional hero of the Hero Association.


Great Philosopher has a look that is highly reminiscent of the stereotypical look of an ancient Greek scholar. He has black bands covering his hands and a large white beard accompanied by flowing white hair. He typically carries around a large book. He has a large vein coming down his bicep and has an athletic build.


True to his name, he appears to be a very stern and analytical individual. Unlike many other heroes and people in general, Great Philosopher actually tries to understand monsters and asks them about their feelings and intentions. However, they never give him an actual response, and as a result, he always kills them with his book.

Appearances in Other Media[]


Pork Cutlet Bowl[]

Great Philosopher was among the many heroes summoned by McCoy to combat the monster that was devastating the Z-City police station. He arrives at the scene late, after Saitama has already killed the monster.[1]


He and other heroes tried to stop Jumping Spider together but were easily blown away by the creature because of a misunderstanding of the monster's real capability.[2]

Abilities and Powers[]

Great Philosopher preparing to attack

Being an A-Class hero, Great Philosopher is a skilled and powerful fighter. When Child Emperor scanned him with Okame-Chan, he scored 2442 losing only to the bottom half of the Jumping Spider and Saitama.

Physical Abilities[]

Immense Strength: He appears to possess a good amount of raw strength, being able to deliver an attack with presumably a strength of 3 tons.

Fighting Style[]

Master Hand-to-Hand Combatant: Great Philosopher primarily relies on his physical strength and skill in close-quarters combat during battles. He was also seen using his large book as a blunt weapon during combat.

  • 3 Tons Philosophy (3t哲学全書, 3t Tetsugaku Zensho): Great Philosopher swings his book in a downward motion with great force. The full effect of this attack has not been seen yet.
Warning.png Expand to see original webcomic information. Beware of spoiler content.
  • Shield of Wisdom (叡智の盾, Eichi no Tate): [3]
  • Philosophy Shoulder Tackle of Truth (哲学ショルダー真理タックル, Tetsugaku Shorudā Shinri Takkuru): [4]


Book: Great Philosopher wields a large book, which he uses as a weapon in combat.

Major Battles[]

Participants Chapter(s) Episode(s) Result
Great Philosopher, Stinger, Darkness Blade, and Red Muffler vs Jumping Spider Numbers None Loss


  • Great Philosopher always tries to understand the feelings of the monsters. Because he never receives an answer, he ends up killing them with his book.


  1. One-Punch Man Omake; Pork Cutlet Bowl
  2. One-Punch Man Manga; Numbers
  3. One-Punch Man Webcomic; Chapter 126, page 2
  4. One-Punch Man Webcomic; Chapter 126, page 3


Hero Association
S-Class 1. Blast • 2. Tornado of Terror/Tatsumaki • 3. Silver Fang/Bang • 4. Atomic Samurai/Kamikaze • 5. Child Emperor • 6. Metal Knight/Bofoi • 7. King • 8. Zombieman • 9. Drive Knight • 10. Pig God • 11. Superalloy Darkshine • 12. Watchdog Man • 13. Flashy Flash • 14. Demon Cyborg/Genos • 15. Metal Bat/Bad • 16. Tanktop Master (Tank Topper Army) • 17. Puri-Puri Prisoner
B-Class 1. Blizzard of Hell/Fubuki (The Blizzard Group) • 2. Eyelashes • 3. Mountain Ape • 6. Wild Horn • 7. Caped Baldy/Saitama • 20. Glasses • 25. Pink Hornet • 29. Double Hole • 39. Smell Master • 39. Reclusamurai • 43. Gun Gun • 49. Butcher • 50. Jet Nice Guy • 60. Needle Star • 65. Piko • 69. Crying Man • 70. Trap Tengu • 71. Captain Mizuki/Mizuki • 74. Lily of the Three Section Staff/Lily • 77. Bone • 81. Tanktop Black Hole • 93. Mushroom • 99. ShooterDarkness BladePineapple
Undetermined Class GunmaTanktop GirlTanktop RockabillyTanktop RacerTanktop Al DenteTanktop SwimmerTanktop JungleTanktop MaskTanktop HatterTanktop DoctorPandaman
Staff Members AgoniBushoC Branch OperatorConsole OperatorExmaGuichesJinzurenMain Branch OperatorMcCoyNarinkiSekingarShelter Nr. 7 GirlSitchSome Important GuySpecial Committee GirlZ Branch Committee GirlZ Branch OperatorZeimeet