Zenobiter (ゼノバイター Zenobaitā?, 11, 38, 43-44): A blue-colored male Longhorn Beetle monster. He feasted on people in a train car on the Fukutoshin Line. Though he keep Ryuki from getting to his weapons, the monster is tricked as he is then destroyed by Ryuki's Dragon Rider Kick. A second Zenobiter appeared in episode 38, only to be destroyed by Knight's Hishou Zan. From the end of episode 43 to the beginning of episode 44, a Zenobiter was among the Mirror Monsters that helped protect Yui. A Zenobiter appeared in Shinji's dream during the Hyper Video special, destroyed by Knight's Hishou Zan.