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Butterfly DX (バタフライDX, Batafurai Derakkusu) is the A-Class Rank 16 professional hero of the Hero Association.

Warning.png Expand to see original webcomic information. Beware of spoiler content.

Just as Forte warned about who Saitama is, Butterfly DX, alongside Chain'n'toad become one of the few people aware of the bald hero's true strength at a same time where Suiko (and secretly Blue) witness this as well.


Butterfly DX is a hairy man who is dressed in a thong and high-heel shoes and is seen wearing giant butterfly wings.


Human Monster Saga[]

Monster Raid Arc[]

Butterfly DX along with Bone and Death Gatling were trying to stop Hundred-Eyes Octopus in I-City. Butterfly DX tried to attack the monster's blind spot, but was defeated along with the other heroes.[1]

Warning.png Expand to see original webcomic information. Beware of spoiler content.

Neo Heroes Saga[]

Psychic Sisters Arc[]

He watches Overgrown Rover and Black Sperm with Chain'n'toad after Forte immediately lost a bet to Saitama. Forte warns Butterfly DX and Chain'n'toad that he witnessed Saitama battle outside while he was inside a hospital, confirming they should not underestimate him.[2]

Ninjas Arc[]

Butterfly and Toad appear outside Saitama's flat going for a stroll with Rover, they happen to oversee Flashy Flash; S Ranked #13, conversing with the newbie A Class hero while nearby. DX wonders aloud if Forte spoke true about their underclassmen early on.[3]

Neo Heroes Uprising Arc[]

Butterfly DX and Chain'n'toad arrive at the ruins of Y-City to assist Suiko against a villainous robot Mirror, but were defeated, until Hero Name Victims Association led by Saitama arrive, and the bald hero destroy the robot with one punch. Eventually, Butterfly DX and Chain'n'toad finally believe what Forte told them about Saitama’s power.[4]

Appearances in Other Media[]


Pork Cutlet Bowl[]

Butterfly DX was one of the many heroes who tried to attack the monster that was devastating a police station in order to get a lot of credits since it was an important emergency. However, he arrives at the scene when Saitama has already killed the monster.[5]

Abilities and Powers[]

As an A-Class hero, Butterfly DX is a skilled and powerful fighter.

Flight: Butterfly DX can use the butterfly wings on his back to fly.[6]

Fighting Style[]

Warning.png Expand to see original webcomic information. Beware of spoiler content.
  • Butterfly Heel Drop (バタフライヒールドロップ, Batafurai Hīru Doroppu): [7]
  • Wing Breath Scale Powder Explosion (ウイングブレス鱗粉爆発, Uingu Buresu Rinpun Bakuhatsu): [8]

Major Battles[]

Participants Chapter(s) Episode(s) Result
Death Gatling, Butterfly DX, and Bone vs. Hundred-Eyes Octopus (Off screen) 61 17

Interrupted by Flashy Flash


  1. One-Punch Man Manga; Chapter 61, page 24-26
  2. One-Punch Man Webcomic; Chapter 107, page 3 - 5
  3. One-Punch Man Webcomic; Chapter 112, page 10
  4. One-Punch Man Webcomic; Chapter 129
  5. One-Punch Man Omake; Pork Cutlet Bowl
  6. One-Punch Man Manga; Chapter 61, page 23 & 25
  7. One-Punch Man Webcomic; Chapter 129
  8. One-Punch Man Webcomic; Chapter 129


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