Steinbelt was developing a new source of energy called 'Core Driviar'.
However, when their development had hit a wall, he asked his friend Krim Steinbelt for help.
A group of 108 artificial life forms created by Tenjuro Banno as unique androids that were capable of 'evolving' to become more like humans.
The Roidmudes are the main antagonists of Kamen Rider Drive.