Imagin
Imagin (イマジン, Imajin?) are the creatures that arrive from the future to conquer the past for Kai. Some are evil and assist Kai in changing time, while few have justice within them and refuse to aid Kai, lending their power to the Kamen Riders in order to fight. Imagin listed here are ones that serve major purposes in the story, being more than a monster of the week.
Read more about this topic: List Of Kamen Rider Den-O Characters