Kamen Rider 0

is a Kamen Rider originally created by producer Tohru Hirayama for the 1973 Kamen Rider series. 
==History==
Although the Rider never officially appeared, a backstory was created for the character. 
He was a prototype of Kamen Rider 1 created by Professor Midorikawa. However because his surgery failed, he was deemed a failure and killed immediately. 仮面ライダーコレクターズ・ボックス. ISBN 978-4257764595
==Legacy==
===Kamen Rider 0===
Hirayama's colleagues and successors used the title "Kamen Rider 0" to code their various "reboot" projects during the Showa era continually.
*Skyrider
*Kamen Rider Black
*Kamen Rider ShinIshimori Production. Ishinomori Hero File Japan: Gakkan Publishing. ISBN 978-4-05-610166-9
Kamen Rider 0 (Sky).png|New Kamen Rider as "Kamen Rider 0". Illustrated by Shotaro Ishinomori.
Kamen Rider 0 (Black).jpg|Batta Man as "Kamen Rider 0". Illustrated by Shotaro Ishinomori.
===Kamen Rider No. 0===
In the 2023 reboot, Shin Kamen Rider, Ichiro Midorikawa would become the very first test subject to be experimented with Prana and can transform into .
== Navigation ==
Category:Unused Riders
Category:Showa Era Riders
Category:TOS Riders