Negatoros Corps is a Negataros ultimate evil organization, where Imagins, Fangire and human criminals as his mobsters were join forces To show the evil might of his organization, he even blow up his whole base just to destroy the heros. He has a habit of touching his horns when talking. Negataros is eventually stopped by the combine power of Kamen Rider Den-O, Kamen Rider Zeronos and Kamen Rider Kiva.