Razen Hydranoid (Japanese version Evil Hydra (悪ヒュドラ Aku Hyudora)) is the evolution of Beast Hydranoid and the evil mega terror evolution of Hydranoid. He is the Guardian Bakugan of the villain Julius. He is revived by the revival orb due to Julius, they fight against their enemies Omega Hydranoid and Jinx, and they lose the battle to them in the final.