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Marugori (マルゴリ, Marugori) was a regular human until he drank the Biceps Brachii King steroid from his older brother, Fukegao, which turned him into a mutated giant. He was killed by Saitama.[3]


  • Marugori when transformed into a giant (Anime)
  • A view of Marugori's back (Manga)
  • Marugori working out (Anime)

As a human, Marugori was depicted as a buff young man, with a large torso and muscular arms. He had very sharp eyes and a shaved head. He wore a simple tank top and plain jeans. These clothes were ripped off when he transformed into a Mysterious Being. When transforming, his veins were popping, muscles expanding and his size grew incredibly. As a giant, he resembled a giant human body without skin, steaming, with a white, bone-like armor covering his enormous muscles. Most of his skeleton and muscle tissue became visible, including his tendons. He also grew two tubes, protruding from his chest and running over his shoulders to his back.


Marugori is a very straight forward individual who is loyal to his brother and has a strong desire to become stronger. Despite the callousness he displays while murdering thousands of people, he was truly saddened and enraged by the loss of his brother.


Introduction SagaEdit

Saitama Introduction ArcEdit

Marugori blow

Marugori destroys D-City.

Marugori is first seen in the lab of his scientist older brother, Fukegao. He is handed the ultimate steroid, Biceps Brachii King and drinks it, being told that it will give him the power he always wanted. Marugori yells out in pain and his body grows in size at a rapid rate. It doesn't take long before he bursts through the lab's ceiling and transforms into a severely mutated giant. He picks up his brother, puts him on his shoulder and marches for the nearby D-City. Arriving at the city, he thinks to himself that he always dreamed of becoming the world's strongest man. He swings his arm and crushes a few buildings. His brother is ecstatic about his overwhelming strength and the brothers move on to the next city.[4]


Saitama kills Marugori with a punch.

As Marugori heads to B-City his brother notices someone is sitting on the shoulder opposite to the one he is sitting on and yells for Marugori to kill him. Marugori swats at the wrong shoulder and kills Fukegao by accident. In his ensuing rage Marugori grabs Saitama and throws him to the ground. Saitama starts to get up, but Marugori jumps onto him and starts to punch Saitama repeatedly, leaving a giant hole in the ground. Believing himself victorious, Marugori begins to mourn for his brother until Saitama jumps out of the hole and punches him in the face, killing him and sending him crashing onto B-City, destroying it.[5]

Abilities and PowersEdit

After taking the drug Biceps Brachii King, Marugori gains massive strength and size, becoming a Demon level threat and one of the largest monsters in the series. Marugori would have become upgraded to a Dragon level threat if it was not for Saitama.[2]

Physical AbilitiesEdit


A demonstration of Marugori's strength

Immense Strength: Marugori's strength is demonstrated by his ability to destroy an entire city with one swing of his arm. He also wields outstanding leg strength, shown when he was able to create a large crater by stomping at the ground. The hole he created by punching Saitama was 100 meters wide.[1]

Enhanced Speed: Despite his size, Marugori is able to deliver high speed combos, in a matter of seconds.

Fighting StyleEdit

Hand-to-Hand Combatant: Marugori appears to only rely on his brute strength and colossal size after taking the Biceps Brachii King from his older brother, meaning he has no real martial arts experience or fighting technique.

  • Barrage of Armed Hits (豪腕の連打, Gōwan no renda): Marugori throws a barrage of punches into a concentrated point.[1]
  • Trampling (ふみつけ, Fumitsuke): Marugori stomps the ground.[1]

Major BattlesEdit

Participants Chapter(s) Episode(s) Result
Marugori vs. Saitama 3 1 Marugori is killed


  • "I am the strongest!" [6]


  • His name is a play on words of "Maru" (Circle/Entirely) and "Gori" (Gorilla). Gorilla is sometimes used to describe buff guys.
  • Marugori is 10 times larger than Orochi.[7]
  • Marugori is the first Mysterious Being to receive a disaster level threat in series.
  • Marugori shares some similarities to Eren Yeager of Attack on Titan as both transformed into giants, and coincidentally share the English voice actor Bryce Papenbrook and Latin American Spanish voice Actor Miguel Angel Leal.


  1. 1.0 1.1 1.2 1.3 1.4 One-Punch Man Encyclopedia; One-Punch Man: Hero Perfection, page 108-109
  2. 2.0 2.1 ONE's statement
  3. One-Punch Man Manga and Anime; Chapter 3, and Episode 1
  4. One-Punch Man Manga; Chapter 3, page 10
  5. One-Punch Man Manga; Chapter 3, page 21
  6. One-Punch Man Manga; Chapter 3, page 16
  7. One-Punch Man Stream; 2/6/2018


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