Elemoon in tank Dr. Worm had been driving in Episode 3, only for him to fully use the Thunder Key to get out. However, the power the key had proved too much for Elemoon as it killed him to Jack Moon's annoyance for his lowly clone to be put in such a predicament in the first place. : A ghost-like Demon Beast that brought the spirits of the dead back to life, able to become intangible yet has a weakness for sunlight. Once rendered tangible, Ryukendo uses the Twin Edge GekiRyuKen to kill it. Dr. Worm later revived Beyonder as , only to be defeated by Ryujino and Aqua Ryukendo. : A Lizard-like Demon Beast that steals items of sentimental value to increase his power, the Goryu Key being one of them. Once forcing the monster to sneeze everything out of his stomach, Ryuguno finishes the Demon Beast off with his Trinity Dragon Cannon. : A series of androids created by Bloody, the first encountered posed as an alien named Angela with claims to protect people. Once revealed in its true form, Asteroid was destroyed by the Trinity Madan Slash. In following episode, more Asteroids were brought on Akebono in Angela's image, searching for the Madan Ryu Cores. Only one of them assumed its true form to fight Fudou and be destroyed by Ryukendo's Madan Slash. : A giant clam Demon Beast who can create an alternate realm of Akebono city and trap children there using a computer game icon as the entrance gate. He used human-size illusions of himself until they were defeated and he revealed himself. Defeated by Magna Ryuguno's Magna Dragon Cannon, causing his dimension to fade in the process. : A Demon Beast created from a part of Daimaou's body, to attack the Madan Warriors directly. He was able to defeat Magna Ryuguno and take GekiRyuKen as his own. However, the sword's power when out of control as Grem Goblin used it to absorb Magna Ryuguno and Ryujino's attacks until Kenji reclaims it. Grem Goblin was the first to be defeated by God Ryukendo's RyuuOu Madan Slash. : A giant Demon Beast that targets indecisive people, teleporting them to her tunnel-like stomach, chasing them with a smaller version of herself. Her human-size aspect was surprisingly defeated by Ichiko & Ritsuko, while the actual Mazerome was killed by GodRyukendo and GodLeon's Trinity RyuuOu Madan Slash. : A