Icon-bioman.png This article is about a/an monster in Choudenshi Bioman.

Messerjū (メッサージュウ Messājū, 1-31) is a Beastnoid of Neo Empire Gear, working alongside Doctor Man and the Big Three

Character History

Messer Beast is the first of the five Beastnoids to fight against Bioman, fighting with Mason during the original invasion of Technotopia 21 that lead to the awakening of Bio Robo and Peebo and the formation of the Sentai squadron. Assisting Mason and Farah (with one occasion alongside Monster), he was mostly rivals with Red1 and Blue3.

During the arrival of a meteor to Earth that interfered with Bioman's Super-Electron Brains, Messer Beast worked with the other four Beastnoids to crush Bioman in their hour of weakness. However, Doctor Man decides to weed out weaker Beastnoids by using his new weapon, the Neo Mecha-Gigan Metal Megas, to attack both the Beastnoids and Bioman in order to see who would survive while trying to crush his enemies. Messer Beast is destroyed by Metal Megas' firepower alongside Aquaiger, leaving behind only three surviving Beastnoids to continue the battle with the heroes for Gear.Tvicon.png TV STORY-Ep. 31: New Model!? Megas Arrives


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Powers and Abilities


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Messerjū is a falcon-faced gargoyle robot with the ability to fly and armed with supersonic waves and laser beams. He can fly at 700km/hr                                                       

Aquaiger and Messerju's remains after Metal Megas attacked.

Behind the Scenes


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Concept Art


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  • According to Yutaka Izubuchi, the main character designer for Choudenshi Bioman, the reason both Messerjū and Aquaiger were killed off was because their appearance were the most "biological" out of all the Beastnoids and therefore would have been too expensive to make mechanical modifications to their suits.[1]
  • In the English adaptation of the show his name was changed to "Falconoid."



  1. 百化繚乱 上之巻 2011, pp. 228-230, 「DESIGNER'S INTERVIEW07 出渕裕
Icon-bioman.png Choudenshi Bioman
Shirou Gou - Shingo Takasugi - Ryuuta Nanbara - Mika Koizumi - Jun Yabuki - Hikaru Katsuragi
Techno Brace - Bio Swords - Bio Arrow - Bio Machines - Bio Turbo
Bio Peace Union:
Peebo - Joy
Other Allies:
Shuichi Kageyama - Professor Shibata - Shota Yamamori - Minor Characters - Turborangers - Gokaigers
Mecha and Robo
BioDragon - Biojet 1 - Biojet 2
Bio Robo
Neo Empire Gear
Doctor Man - Mason - Farrah - Farrah Cat - Monster - Mechaclones (Mechaclone No. 1)
Beastnoids: Zyuoh - Messerjū - Psygorn - Mettzler - Aquaiger
Mecha-Gigants: Kabuto Canth - Devil Canth - Gorilla Canth - Beetle Canth - Mummy Canth - Rhino Canth - Sea Anemone Canth - Twin Canth (Twin Dolls) - Chameleon Canth - Samurai Canth - Hammer Canth - Shark Canth - Anchor Canth (Neo Intellect Brain) - Frog Canth - Neptune Canth - Turtle Canth - Haniwa Canth - Grotes Canth (Prince) - Camera Canth - Scarab Canth - Pirahna Canth - Poison Moth Canth - Crab Canth - Ghost Canth - Spider Canth - Octopus Canth - Jellyfish Canth - Mantis Canth
Neo Mecha-Gigants: Metal Megas - Axe Megas - Skull Megas - Wrestler Megas - Magne Megas (Magne Warrior) - Cannon Megas - Battle Megas - Sonic Megas - Crush Megas - Amazon Megas - Thunder Megas - Satan Megas (Miki) - Baroque Megas - Rugger Megas - Lens Megas - Super Megas - King Megas
Anti-Bio Union
Bio Hunter Silva - Balzion
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