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Royal Ripper (キリサキング, Kirisakingu; Viz: King the Ripper) was a member of the Monster Association and an infamous Mysterious Being of urban legend.[1] He was killed by Garou.[2]


Royal Ripper was a humanoid monster wrapped almost completely in bandages, having exposed only his right eye and his long dark disheveled hair. Over his wrappings, he wore a worn-out tattered red dress and flat black shoes. Instead of hands, he had a pair of long and sharp straight blades that he sometimes used to scratch the floor in a menacing manner. Royal Ripper's inside was nothing like that of a normal human, but a mixture of hair, blood, and gauze.


Royal Ripper was a sadistic monster with a very strong drive towards torture and killing. He was shown to get excited over cutting apart anyone, enemies and allies alike. He experienced intense sadism towards children, and Black Sperm was not surprised when Royal Ripper disappeared with Tareo, remarking that "He couldn't hold back his urges." Phoenix Man described him as an "a one-of-a-kind psycho who kills for pleasure," so much so that even other monsters avoided going anywhere near him.[3]

He even stated to Tareo that he didn't care for the Monster Association, as his only goal in life was to slaughter other creatures.[4]

He was very psychotic, yet childish, referring to his fellow monsters with honorifics in a rather playful manner. Although he enjoyed toying with his opponents, he could easily be overwhelmed by his killing instincts as shown when he attacked a distracted Garou from behind and continued to viciously slash at him despite the latter already being down.[5] 


Human Monster Saga

Monster Association Arc

He attempted to murder Narinki's Private Squad before Do-S stopped him. He and Bug God are sent by Gyoro Gyoro to follow Garou and investigate his actions.[6]

Royal Ripper Butcher

Royal Ripper brutalizes Garou after he is distracted by Sludge Jellyfish.

Royal Ripper confronts the Hero Hunter when he questioned whether he was truly a monster. As proof of Garou being a monster, Royal Ripper demanded Garou to murder Tareo. However, Royal Ripper's urges for killing children soon take over, ultimately resulting in Royal Ripper and Bug God fighting Garou.[7]

Despite Royal Ripper and Bug God's best efforts, Garou managed to fend them off. However, Sludge Jellyfish took Tareo hostage, distracting Garou and allowing Royal Ripper and Bug God to attack. After cutting Garou severely, Royal Ripper is stopped by Bug God. Believing Garou to be dead, Royal Ripper leaves with Bug God and Sludge Jellyfish, with Tareo as a captive.[8]

Garou using Whirlwind Iron Cutting Fist

Royal Ripper is quickly dismantled by Garou

Royal Ripper takes Tareo to the Monster Association base and puts him in the same cell as Waganma. He tells the two to play nice, and momentarily leaves in order to regain his strength. He eventually returns to the cell and chooses Tareo to torture for his pleasure. After threatening the boy, he decides to begin the torture but is interrupted by Garou. Garou breaks through the wall and quickly kills Ripper by punching off his head and using the Whirlwind Iron Cutting Fist to rip his body apart. After his death, his bandages are used by Garou to wrap his wounds up.[9]

Abilities and Powers

Being a demon level threat, Royal Ripper was a rather powerful monster. In the webcomic, Royal Ripper, Bug God, and Senior Centipede managed to injure Bang and Bomb, two greatest masters of the Martial Arts world, which was quite an impressive feat, although this was changed in the manga, with Elder Centipede being the one to fight them, and Garou later saying that Royal Ripper was nowhere near Bang's level. With the combined efforts of Bug God and Senior Centipede, the three managed to put Garou in a near-death state, although Royal Ripper and Bug God were injured, and Senior Centipede was killed during the battle. They also admitted if they had fought Garou one-on-one, it would have been a difficult battle. That testament is later proven true, as he is killed in a single strike by Garou when he prepares to torture Busaiku.

Physical Abilities

Royal Ripper Cutting Motion

Royal Ripper's erratic cutting motion

Immense Speed & Reflexes: Being a Demon-level monster, Royal Ripper was naturally fast. Royal Ripper managed to land an attack on Garou despite the latter having the surprise element. Royal Ripper was able to swiftly kill the monsters attempting to attack Narinki's Private Squad. Royal Ripper managed to sneak behind Garou, while the latter was distracted, and land a serious slash.

Immense Strength: Being a Demon-level mysterious being, he was very powerful. He was able to slash apart multiple monsters with his blades, and along with Bug God, he was able to defeat Garou and put him in a near-death state, albeit with the help of a distraction.

Enhanced Senses: Royal Ripper was capable of smelling the presence of humans near him.[10]

Joint Reallocation: Royal Ripper has been shown to reallocate his joints to have movement with more degrees of freedom. This allowed him to move his blades more freely while making his blade arms less of an inconvenience.[11]

Fighting Style

Expert Swordsman: Royal Ripper was extremely skilled with the blades that are in the place of his hands. He made multiple erratic slashes in combat.[12]


  • He is known as an urban legend monster in the Hero Guide book and he shows up at dawn to assault children.[13]
  • He was killed by the technique that is very similar to Nanto Suichō Ken  (南斗水鳥拳, South Dipper Waterbird Fist, also translated as South Dipper Waterfowl Fist) used by the character Rei in Fist of the North Star series.
  • ONE stated that Royal Ripper's inside is nothing like that of a normal human, but a mixture of hair, blood, and gauze.[14] 
  • In the original webcomic, he was sent by the Monster Association, together with Senior Centipede and Bug God, to save Garou from the incursion perpetrated against him by Bang and Bomb (and also Genos that was fighting him at the scene). After Garou was appointed by the Association to kill 100 humans to prove his monsterish nature, Bug God, Royal Ripper, and Senior Centipede followed the human monster to watch over his actions; when they discovered that Garou didn't want to abandon his humanity and was also defending a child, Busaiku, they attacked him and tried to kill the child.


  1. One-Punch Man Manga; Chapter 48, page 3
  2. One-Punch Man Manga; Chapter 90
  3. One-Punch Man Manga; Chapter 88, page 20
  4. One-Punch Man Manga; Chapter 90
  5. One-Punch Man Manga; Chapter 88, page 57
  6. One-Punch Man Manga; Chapter 86
  7. One-Punch Man Manga; Chapter 88
  8. One-Punch Man Manga; Chapter 88
  9. One-Punch Man Manga; Chapter 90
  10. One-Punch Man Manga; Chapter 86, page 21
  11. One-Punch Man Manga; Chapter 88, page 15
  12. One-Punch Man Manga; Chapter 88, page 35
  13. One-Punch Man Manga; Chapter 48, page 3
  14. One-Punch Man Stream; 3/5/2018


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