This article is about a/an villain in Choudenshi Bioman.
"Doctor Man! I give you Balzion!"
―Monster's final words before his death.[src]

Monster (モンスター Monsutā) is one of the Big Three, as strong as a whale and less than half as smart. Likes to work with the monster Zyuoh a lot. Initially armed with a huge axe, later upgraded and armed with Monster Big Iron (morning star), Monster Big Cutter (hand sword), and Monster Big Hand (giant iron hand). He was killed after receiving damage when Super Megas was destroyed while finding Balzion.

Turboranger clipshow

Monster appears in the clips from Choudenshi Bioman seen in the first episode of Kousoku Sentai Turboranger.

Gaoranger vs. Super Sentai

Monster is one of several past Super Sentai villains that appear in clips in the anniversary special Hyakujuu Sentai Gaoranger vs. Super Sentai.


  • In the English dubbed version of the show his name is changed to Vargo, making him the only big three member to have his name changed in the English dub.
    • This is due to the name "Monster" being a generic and overused name in the western world.

Concept Art


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