Superpower Wiki
"I admit I haven't been truthful, when I said one-hundred was more like eighty-five."
― Toguro to Yusuke (Yu Yu Hakusho).

The ability to manipulate the muscular structure of oneself and others. Variation of Body Manipulation and Organ Manipulation.

Also Called

  • Muscle Alteration/Control/Modification/Modifying
  • Myokinesis


The user has complete control over the muscles of oneself and others, allowing them to freely alter and manipulate them, including altering muscle tissue itself, its development, increase/decrease muscle mass/strength and thus stamina, flexibility, reflexes, etc. They can move muscles without or keep them from moving, cause them to over or under-react to nerve-impulses, etc. The user can cause/remove any muscle-related ailments/diseases or cause muscles to react so violently they rip the tendons from their connections, snap bones or are themselves damaged.



  • Death Inducement by expanding muscles until they snap vital bones, explode, or crush themselves under their own weight.
  • Mutilation by tearing muscles in the opponent's body.
  • Muting; if the effect is caused by manipulating vocal cords.
  • Myokinetic Flight




  • If used many times, it can cause a cut in the muscle, known as heller myotomy.
  • If used many times, muscle might tear.
  • If used too many times, muscle cramps may occur.
  • A sudden increase in muscle may decrease speed due to increased mass.
  • An increase in the muscle may weaken its resistance from the strain.
  • May be limited to manipulating the muscles of others or only themselves.

Known Users

  • Gentle (Marvel Comics)
  • Agent X/Nijo (Marvel Comics)
  • Vibranium (Marvel Comics)
  • Skinless Man (Marvel Comics)
  • David Haller/Legion/Sally (Marvel Comics); persona of Legion
  • Bruiser (Marvel Comics)
  • Younger Toguro (Yu Yu Hakusho)
  • Yuri (Mahou? Sonna Koto yori Kinniku da!)
  • Urouge (One Piece)
  • Master Son (Gintama)
  • Suigetsu Hozuki (Naruto)
  • Mangetsu Hozuki (Naruto)
  • Gozu (Naruto Shippuden)
  • Alex Mercer (Prototype)
  • Medaka Kurokami (Medaka Box)
  • Fukurou Tsurobomi (Medaka Box)
  • Najimi Ajimu (Medaka Box); with Boy Meats (Biological Skill)
  • Gaston King (The Immortal Knights)
  • Jake the Dog (Adventure Time)
  • Joy Fullbun (Fairy Tail)
  • Machi (Hunter x Hunter)
  • Gyanza Rujike (Black Cat)
  • Various Characters (Toriko)
  • Meteor Garlic consumers (Toriko)
  • Skull (Reborn)
  • Monkey D. Luffy (One Piece)
  • Metamorphia (Sonic the Comic)
  • Kinniku Clan (Kinnikuman/Ultimate Muscle: The Kinnikuman Legacy)
    • Suguru Kinniku/Kinnikuman/King Muscle
    • Mantaro Kinniku/Kid Muscle
  • Gyro Zeppeli (JoJo's Bizarre Adventure Part 7: Steel Ball Run)
  • Edajima Heihachi (Sakigake Otokojuku)
  • Date Omito (Sakigake Otokojuku)
  • Hong En-Lai (Akatsuki Otokojuku)
  • Akira Kongou (Kongou Banchou)
  • Muscular (My Hero Academia)
  • Muscle Devil (Chainsaw Man)




Video Games