[[quoteright:296:http://static.tvtropes.org/pmwiki/pub/images/kobeast_5054.jpg]]
[[caption-width-right:296: In search of Gaia . . .]]
''K.O. Beast'' is an anime series created by Satoru Akahori, creator of Anime/SaberMarionetteJ, with character designs by Takehito Ito, of ''[[Anime/NGKnightLamune40 Lamune & 40]]'', ''[[Manga/LordofLordsRyuKnight Ryu Knight]]'', & ''Manga/OutlawStar'' fame [[note]]The original Japanese title is ''K.O. Century Beast Musketeers''.[[/note]]

The series started as a three episode OriginalVideoAnimation, which was followed by a four episode sequel.

Thousands of years in the future, the earth is split in two. While the southern hemisphere, ruled by Czar Master, is in another dimension, the northern hemisphere is populated by tribes of humanoids who can morph into anthropomorphized beasts.

Escaping from their human captors, Wan Derbard of the Tiger tribe, Bud Mint of the Bird tribe and Mei Mer of the Mermaid tribe, along with Tuttle Millen from Mei Mer's tribe and a little girl named Yuuni Password, whose scientist grandfather wanted her safely away, seek a mysterious treasure called Gaia. Our companions have with them the Jinns, three statues-cum-machines that combine to form a HumongousMecha.

Hot on their heels are Czar Master's servants V-Darn and V-Sion as well as V-Darn's imp like companion Akumako.

The English version is something of a GagDub: the voice cast added some ''{{Anime/Pokemon}}'' references. The series was released in America by Creator/NozomiEntertainment.

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!!''K.O. Beast'' provides examples of :

* BigBad: Czar Master, the leader of the Humans.
* BigEater: Wan is often hungry, and goes feral when he's really hungry. You gotta feel sorry for Bud.
* ButtMonkey: V-Darn takes even more comedic abuse than simply being a SmugSnake villain would normally earn him.
* CasanovaWannabe: Bud tries hard to be a ladies' man.
* [[CatGirl Cat Boy]]: Wan can change into a tiger whenever he sneezes.
* DubNameChange: Wan Dabada (Wan Derbard), Mei Mah (Mei Mer), Mekka Mannen (Tuttle Millen), C-Siegel (S.P.-Icegal).
* {{Eagleland}}: Bud's grandfather, the leader of the Bird tribe, dresses like {{Uncle Sam|WantsYou}}, while both he and Bud use GratuitousEnglish and are affably arrogant.
* {{Expy}}: Wan is one of [[Anime/NGKnightLamune40 Baba Lamune]]
** Likewise, V-Darn, V-Sion & Akumako are this to Da Cider, Lesqua & Heavy Metal-Ko, in fact Akumako [[Creator/NaokoMatsui is even VOICED by Lesqua]].
* GagDub: The voice cast also worked on ''{{Anime/Pokemon}}'' and introduced some cross-work references.
* GoingCommando: Essentially for the first three episodes Mei Mer was going commando beneath her skirt, when seen from the side you couldn't see any part of her panties, but it's justified in the fact that her legs turn into a mermaid tail when she cries or gets wet.
* HaremSeeker: Bud's vision of the treasure of Gaia involves lots of pretty girls.
* HotBlooded: Wan.
* InvoluntaryShapeshifting: Each of the three main Beast Musketeers will transform when exposed to a unique trigger. Wan changes when he sneezes, Bud when he gets goosebumps (usually from Wan licking his face), and Mei when she eats something spicy.
* LittleBitBeastly: Wan, Bud, Mei Mer, Tuttle and the whole population of the Northern Hemisphere. It's only when they transform that they become PettingZooPeople.
* NoPartyLikeADonnerParty: The fourth episode (the start of the second OVA series) begins with the four main Beasts playing an intense TableTopGame/MahJong game. TheReveal is that they've been trapped in a cave for five days, and they're playing to decide who they eat first.
* OnlySaneMan: Tuttle is the only member of the group who is able to stay awake during the {{Infodump}} sequences, and acts as a voice of reason for the others.
* OurMermaidsAreDifferent: Not only can Mei Mer change whenever she cries or when wet, but her tears can become pearls.
* PaperFanOfDoom: Mei Mer's mother uses one as a greeting.
* SpellMyNameWithAnS: Is it Yuuni, Yuni or Uni?
* SpiritualSuccessor: To the ''[[Anime/NGKnightLamune40 Lamune & 40]]'' series, same staff and everything.
* TagAlongKid: Yuuni.
* TerribleTrio: V-Darn, V-Sion and Akumako.
* ThreeAmigos: Wan, Bud and Mei Mer.
* TwoGuysAndAGirl: Wan, Bud and Mei Mer again.

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