Publication Information
- Black RX : Characters (RX)
- Japanese :
- Season : Kamen Rider Black RX
Professor Henry
- Professor Henry
- Potrayer : Ulf Ōtsuki
- Who turns Kazuya Oki into Kamen Rider Super-1 with computer before it's destroyed by its own scientist, killed by Fire Kong.
- Genjirō Tani
- Potrayer : Nobuo Tsukamoto
- A senior of Tsukuba's and a friend of Shido, Tani owns the Blanca Coffee Shop that serves as SkyRider's new base of operations. Having lost his family to Neo-Shocker in the past, Tani is eager to help Tsukuba take the organization down. He later closes down his cafe and opens up a motorcycle rental/repair shop and meets Kazuya Oki who at this point happened to become Kamen Rider Super-1. This leads him to mentor Kazuya in his fight against Dogma and Jin Dogma.
- Masao Kozuka (Choro)
- Potrayer : Teru Satō
- Harumi Kusanami
- Potrayer : Yumiko Tanaka
- Tani Motor Shop employee.
- Ryo Kusanami
- Potrayer : Katsuya Hayakawa
- Harumi's brother. A member of the Junior Rider Team.
- Master Genkai
- Potrayer : Munemaru Kōda
- Benkei
- Potrayer : Kenji Nishiyama
- Benkei is a Japanese martial artist who helped Kamen Rider Super-1.
- Masako Mizunuma
- Potrayer : Rieko Nagatsuka
Member Of Junior Rider Team:
Daisuke Akita
- Daisuke Akita
- Potrayer : Kazunori Tanaka
- A member of the Junior Rider Team.
- Shigeru Matsuoka
- Potrayer : Tadaomi Watanabe
- A member of the Junior Rider Team.
- Mamoru Murayama
- Potrayer : Ayumu Iwaki
- A member of the Junior Rider Team.
- Takeshi Tanaka
- Potrayer : Moriyuki Ogidō
- A member of the Junior Rider Team.
- Michiru Ishikawa
- Potrayer : Izumi Nakamura
- The only female member of the Junior Rider Team. Rides a yellow bike.
- Masaru Ishikawa
- Potrayer : Hitoshi Hagiwara
- A member of the Junior Rider Team.
