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Moo from animation

Moo (ムー, ) is the main antagonist in the fanfic Howl of Gray Wolf created by MGW. In the games, the monster type of Moo is a "Dragon/???". He is also the main antagonist of the Monster Rancher anime. Moo/Mu is possibly named after the hypothetical continent.


Video Games

Moo is a rare type Dragon monster only unlockable from a disk. It makes its debut in Monster Rancher 2 and appears in Monster Rancher Evo.

Howl of Gray Wolf

A violent monster with unbridled arrogance. He brims with so much power than he thinks that he can rule over the humans. In fact, his evil influences others. He is responsible for the Ancient Monster War.

In Animation

Moo leads the Evil Monster Army (ワルモン軍団; warumon gundan) or The Baddies (English Dub) that antagonize the group searching for the phoenix.

Skills and Battle Data

  • Power: S
  • Speed: D
  • Stamina (lifebar, defense): S
  • Mind/Spirit (Intel, energy power): A


Physical Attacks

Spirit/Intelligence Attacks



Monster Rancher Fanfic Series
Rebel Monster Team Gray Wolf | Tiger | Mocchi | Hopper | Basilisk | Tyrant | Shiranui | Centaur
Divine Ones Gali | Skyfire
FIMBA and IMa Holly | Hunter | Colt
Chimeía Tribe/Islanders Tobias | Gadamon
Moo and Dragons Moo | Jesvah | Ragnoroks | Diabolos | Techno Dragon
The Dark Gods Velnias | Cinder Bird | Carmine
Five Warriors & Associates Gawain | Five Warriors
About the Series
Stories Howl of Gray Wolf (HoGW) | Tiger of Freedom (ToF)
Information FIMBA & IMa | Characters | HoGW Chapters | Timeline | Data