This article is about a/an monster in Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger.
"You beset on my gamble?!"
―Final words before Death[src]

Ruretta Gerou (ルレッタ・ゲロウ Ruretta Gerō) was a frog-themed Gangler Monster of the Interdimensional Crime Group Gangler, equipped with the "Like a rolling cube/Comme un cube qui roule" treasure from the Lupin Collection.

Character History

Ruretta Gerou's human form

Ruretta Gerou as a Casino Owner

Disguising himself as a casino owner, he abused the capabilities of the "Like a rolling cube/Comme un cube qui roule" in his safe in order to unfairly extort money from his casino patrons and land them in huge debt, until the Lupinrangers came and stole the treasure from his safe. According to Jim Carter, he was also planning to harvest the patrons' organs. Number 1: The Troublemaking Phantom Thieves


Greedy and unfair, he had no qualms in extorting money from his patrons when they were lost due to his manipulations. He was also implied to be sadistic, as he was said to almost harvest the lost patrons' organs according to Jim Carter.


  • Spawn Bomb (スポーン・ボム Supōn Bomu): Throwing bombs resembling a frog's spawns.
  • He can utilize his long tongue in a telescopic manner for combat.

Powers and Abilities

  • Human Disguise: Like every Gangler, Ruretta Gerou have the special ability to disguise himself as a Casino Owner.
  • Probability Manipulation: Due to the Comme un cube qui roule treasure equipped within his safe, he can can control the outcome of games of chance.


  • Height: 179 cm
  • Weight: 197 kg
  • Criminal Record: Gambling (As well as possible Organ Harvesting)
  • Lupin Collection: Comme un cube qui roule 6-sided Die
  • Gangler Safe Location: Gut
  • Password Number: 2-0-7
  • Rangers That Killed Him:

Behind the Scenes


Ruretta Gerou is voiced by and portrayed in his human form by Hiroyuki Muraoka (村岡弘之 Muraoka Hiroyuki).


His name contains the Japanese onomatopoeic term for a frog's croaking ("gerogero"). It may also be partially derived from the Japanese word for roulette ("ruretto"), referring to his connection with gambling.


  • Animal Theme: Frog.
  • Possible Prehistoric Basis: Beelzebufo (which is also known as the "devil frog").
  • Ruretta Gerou holds the record for shortest amount of screentime for a Gangler monster (and possibly any opponent any Sentai team has faced), as he appears for approximately 5 minutes before being destroyed.
    • He is also the first Gangler Monster to have his Gangler Safe opened by an unmorphed Lupin Ranger (in this case, Lupin Red).
  • Gerou is the first of two Gangler Monsters to not be enlarged by Goche Ru Medou, with the second being the first Modified Porderman.


TV Asahi's Page on Ruretta Gerou

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