Killbus

Killbas (キルバス), who is able to transform into Kamen Rider Killbas (仮面ライダーキルバス). He is the older brother of Evolto.

Devices

 * Build Driver
 * Unknown transformation item

Weapons

 * Drill Crusher
 * Kaizoku Hassyar

Portrayal
Killbas is portrayed by Gaku Shindo (進藤 学) and his voice is provided by Anri Katsu (勝 杏里). As Kamen Rider Killbas, he is portrayed by an unknown suit actor.