Early designs of Kamen Riders that were eventually changed into the ones seen today. Kamen Rider 1 Kamen Rider X Kamen Rider Amazon Kamen Rider Skyrider Kamen Rider Super-1 Kamen Rider ZX Kamen Rider Black Kamen Rider Black RX Kamen Rider Shin Kamen Rider ZO Kamen Rider J Kamen Rider Kuuga Note: Readers will notice that some design elements from the sketches would be reused in later series. A recurring design philosophy during the development of Kuuga was to modernize the Showa Rider aesthetics