Half-snake leader of the Mythical Creatures Zoo chain — immortal, and impossible to keep in a cage.
The villain who brought a zombie plague to Earth.
A villain whom Splash Bomb Color Splash once defeated by trapping his human form in a bag.
A witch and the nemesis of Marina Black Horse.
A giant radioactive spider and villain who took over the Diamond Family's home world.
Former leader of Shadow Clan who violated the warrior code and was chased out by Thunder Clan.
The same human (and his crew) who attacked and destroyed Poison and Luna's home dragon world. He followed them to Earth and is the only human who susp