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Red Muffler (赤マフ, Aka Mafu) is the C-Class Rank 89 professional hero of the Hero Association.


Red Muffler is a young man with short light-colored hair. He wears armor featuring a chest plate, shoulder pads and shin guards with a star on the chest plate and shoulder pads. He also wears a large red scarf around his neck.


Red Muffler is a realistic young man, and understands the limits of his abilities.


Magicicida Larva AttackEdit

Heroes return to shelter

Red Muffler defeated

Red Muffler attempted to fight the 170,000-Year Magicicada Nymph alongside Grad School Graduate and Darkness Blade. The three then later arrived at Shelter Nr. 7 after having failed in defeating the monster.[3]

Plot Edit

Human Monster SagaEdit

Monster Raid ArcEdit

Red Muffler is one of many heroes who attempts to defeat Hundred-Eyes Octopus before Flashy Flash shows up. He appears to fight Hundred-Eyes Octopus but is nearly crushed before being saved by Bone.

Appearances in Other MediaEdit



He and the other heroes try to stop Jumping Spider together but are easily blown away by the creature. As he is about to be eaten, Bang arrives and saves him.[4]

Abilities and PowersEdit

Given his rank, it is safe to assume he is fairly strong by C-Class standards. His power level is used as the control for
Screenshot 2018-10-11-01-02-33-1

Red Muffler Armor

Child Emperor's device and is set to 100. However, the fact he has lost every fight he's been in, even with the assistance of B-Class and A-Class heroes implies he's still a very weak fighter.

Physical AbilitiesEdit

Enhanced Speed and Reflexes: Red Muffler has been shown to be quick on his feet, as seen when fighting Jumping Spider.[5]

Fighting StyleEdit

  • Red Meteoric Kick (赤い彗星キック, Akai Sōsei Kikku): A flying kick delivered at the enemy. Its power is unknown, as Jumping Spider dodged before the attack could connect.[6]

Hero RatingEdit

Red Muffler's rating determined by the Hero Association[1]:

Ability Type Stamina Intelligence Justice Endurance Power Popularity Effectiveness Fighting Ability Total

Major BattlesEdit


  • He is named after the red scarf he wears in order to distinguish himself as a hero.[1]


  1. 1.0 1.1 1.2 1.3 1.4 One-Punch Man Encyclopedia; One-Punch Man: Hero Perfection, page 25
  2. One-Punch Man Omake; Numbers
  3. One-Punch Man Omake; Summer
  4. One-Punch Man Omake; Numbers
  5. One-Punch Man Omake; Numbers
  6. One-Punch Man Omake; Numbers


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