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Jet Nice Guy (ジェットナイスガイ, Jetto Naisu Gai; Jet Niceguy) is the B-Class Rank 50 professional hero for the Hero Association.


Jet Nice Guy is a cyborg. He wears sunglasses, round shoulder and knee pads and has the letter 'J' printed on the right pectoral of his shirt. He also wears boxing gloves. He later upgraded his appearance and armor, sporting longer hair and an upgraded body.


When J-City was attacked by the Seafolk, Jet Nice Guy hid inside the evacuation shelter. However, when the Deep Sea King attacked said shelter, he was one of the first heroes who stepped up to try to defend the civilians there. Such behavior indicates that despite being frightened, he was willing to risk his life to protect the people in the shelter. He also respects his superiors, stating that he was glad to have an A-Class hero help him fight the Sea King.


Jet Nice Guy won the lottery and he used his winnings to pay someone to turn him into a cyborg. He joined the Hero Association sometime afterwards.[1]


Hero Association Saga[]

Sea Monster Arc[]

When J-City is invaded by the Seafolk, Jet Nice Guy hides inside the evacuation shelter along with other citizens. But when the Deep Sea King attacks the shelter, he, along with All Back-Man, Bunbun Man and Sneck, tries to defend the normal civilians.[2] However, they are all easily defeated.[3]

Human Monster Saga[]

Monster Association Arc[]

He is one of the heroes recruited to the Monster Association raid's support team. He returns, rebuilt and upgraded for the coming battle.[4] He kills some monsters during the initial attack against the Monster Association after his upgrades. He then attacks Rhino Wrestler, but is unable to defeat him.

Abilities and Powers[]

As a mid ranked B-Class hero, it can be assumed that Jet Nice Guy is a fairly skilled combatant, but as expected, he can't do anything against monsters of threat level Demon. Judging by his appearance and his performance against the Sea King, it can be assumed his cybernetic components are a good deal less advanced than Genos'.

Physical Abilities[]

Enhanced Strength: As a cyborg, Jet Nice Guy possesses strength above average human capabilities. He was able to kill some monsters just by simply punching them during the initial attack against the Monster Association after he was upgraded.

Fighting Style[]

Cybernetic Combatant: Jet Nice Guy relies on his cybernetics to fight against monsters by delivering strong attacks thanks to his enhancements as a cyborg.

  • Ultimate Jet Straight.png
    Ultimate Jet Straight (アルティメットジェットストレート, Arutimettojettosutorēto): An attack probably inspired from Genos.[5]

Hero Rating[]

Jet Nice Guy's rating determined by the Hero Association[1]:

Ability Type Stamina Intelligence Justice Endurance Power Popularity Effectiveness Fighting Ability Total
Machine 4 4 5 4 5 4 4 5 35


  1. 1.0 1.1 1.2 1.3 1.4 1.5 One-Punch Man Encyclopedia; One-Punch Man: Hero Perfection, page 50
  2. One-Punch Man Manga; Chapter 24, page 84-87
  3. One-Punch Man Manga; Chapter 25, page 7
  4. One-Punch Man Manga; Chapter 93, page 35
  5. One-Punch Man Manga; Chapter 94, page 111


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 Tanktop GirlTanktop RockabillyTanktop RacerTanktop Al DenteTanktop SwimmerTanktop JungleTanktop MaskTanktop HatterTanktop DoctorPandaman
Staff Members AgoniBearded WorkerBespectacled WorkerC Branch OperatorConsole OperatorExecutive GirlGuichesMain Branch OperatorMcCoyNarinkiSekingarShelter Nr. 7 GirlSitchSome Important GuySpecial Committee GirlZ Branch Committee GirlZ Branch OperatorZeimeet