Turning into a Frog Technique

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Turning into a Frog Technique [1]
  • Jiraiya makes physical contact with the target…
  • …then turns them into a frog.
Kanji 蛙変えるの術
Rōmaji Kaeru Kaeru no Jutsu
Literal English Frog Conversion Technique
Viz print media Ninja Art of Transformation: Toad
English anime Ninja Art: Toad Transformation
Manga Volume #40, Chapter #369
Anime Naruto Shippūden Episode #129
Game Naruto Shippūden: Shinobi Rumble
Appears in Anime, Manga, Game
Classification Ninjutsu
Rank C-rank
Class Supplementary
Range Short-range
Hand seals Tiger

By touching the forehead of a target and then, according to a mental image the user forms, the target changes into a tree frog. This is mainly used for interrogating several prisoners of war. Seeing their comrades changed into a frog before their eyes, the prisoners of war will cave in, becoming what could be described as a "frog chorus", sonorously chanting information. This terrifying technique will, without a doubt, make an "information leak" open up.


  • The word for frog, "蛙", is pronounced "kaeru". The term "to turn into", written as "変える", is also pronounced "kaeru", which leads to this technique's interesting pronunciation, "Kaeru Kaeru no Jutsu".


  1. Third Databook, page 229

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