

Steinbelt gave him the prototype Core Driviars to continue their evolution, until Banno's dark secret on using a lethal experiment for his creation was discovered by Krim, causing the two inventors' partnership to break apart. However, when their development had hit a wall, Banno asked his friend Krim Steinbelt for help.

Tenjuro Banno as unique androids that were capable of 'evolving' to become more like humans.

They are a race of 108 artificial life forms created by Dr. The Roidmudes ( ロイミュード, Roimyūdo), also called Mechanical Life Forms ( 機械生命体, Kikai Seimeitai) by the public, are the antagonists of Kamen Rider Drive. This is our revolution." ― Heart addressing his fellow Roidmudes on the eve of the Global Freeze. Let us refer to this day with a word they seem to have a fondness for. Soon, the humans will understand just how helpless they truly are. But they made us too powerful for their own good.
