The sidekick of Kinkotsuman.


Iwao is the henchman of Kinkotsuman and a source of comic relief in the series. He initially appears as a villain that is defeated by Kinnikuman and later becomes a part of Kinkotsuman's entourage, but eventually he switches sides and becomes a good character on the side of justice.


Iwao (イワオ) is a rock Kaijuu who first appears at an amusement park and is subsequently defeated by Kinnikuman. He returns when Kinnikuman is being interviewed by Natsuko and plans to beat him up in front of her and ruin his image. His first attempt is interrupted by Kappatron so he tries to take Natsuko hostage, but he is still easily defeated by Kinnikuman. He then takes on the role of Kinkotsuman's sidekick and helps him with all of his attempts to destroy Kinnikuman. They seemingly turn good after the Choujin Olympics, but return as villains during the American Tag Tournament. In the anime, the two of them eventually join up with Detective Gobugari and act as Kinnikuman's main cheering squad.

Iwao is not that bright and frequently copies Kinkotsuman's laugh and speech pattern. For example, he frequently says dawasa (だわさ) (which Kinkotsuman often ends his sentences with) as a single sentence, seemingly meaning "I agree". This annoys Kinkotsuman and often prompts him to bop Iwao on the head. Iwao also refers to Kinkotsuman as Sensei.

Career Record

  • 1,000,000 Yen Quiz Winner (Tag?)
  • Kinkotsuman's Underling

Win/Loss Record (Tag) Rugged Brothers



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