This article is about a/an Orphnoch in Kamen Rider 555.

Midorikawa (緑川), otherwise known as the Mantis Orphnoch (マンティスオルフェノク Mantisu Orufenoku, 3 & 4), is one of the three bounty hunters sent to take back the Faiz Gear. He is equipped with a pair of knife-like sickles and can jump up to 30 meters.

Midorikawa is a senior bounty hunter over Akai. Once learning the Faiz Gear is at Miyazaki, he and Akai go after it and take the Faiz Gear. Takumi was forced to fight the Mantis Orphnoch until Akai gets the Faiz Gear and uses it to kill Midorikawa.

Powers and Abilities

  • Transformation to Orphnoch: As all his race, he can transform from human to Orphnoch.
  • Destroy hearts: As Orphnoch, he can used his worn tentacle or weapon for eliminated the hearts of the victims in burst of flames.
  • Jump: He can hump up to 30 meters.


  • Sickles: He can used pais of knife-like sickles as weapon.

Behind the Scenes


Midorikawa and his bounty hunter partners Akai and Aoki are named after colors, Midorikawa coming from green ( midori).


  • Height: 213 cm
  • Weight: 135 kg
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