Majin Jigoku

Majin Jigoku: The main antagonist of the movie. He initially appears during a fight between Yamato/Gekiryu and Ryoma/Marine, defeating the two riders. He then appears and brainwashes 3 persons transforming them into Evil Riders, which then would be defeated by Gekiryu, Marine and Ageha. He is able to transform himself into his true demon-like form and use dark flames-based powers. He is later defeated for good by Gekiryu Seiryuu Form during an airborne battle.