Early designs by Shotaro Ishinomori give Kamen Rider J a pair of wing-like appendages on his back to mark the organic origins of the character's powers.
•
He also appears in the 2010 film Kamen Rider × Kamen Rider W & Decade: Movie War 2010, fighting Kamen Rider Decade, only to be defeated and turned into a card by him.
The movie involves a team-up between the title characters from Kamen Rider ZO and Kamen Rider J, who must fight a gang of five revived monsters from previous Kamen Rider works led by Shadow Moon, the antagonist of Kamen Rider Black and Kamen Rider Black RX.
Kumo Woman became Arachnida and appeared in the episode Stranger From The North who also appeared with a monster from the follow up movie Kamen Rider J and Koumori Man became Parasect and appeared in the episode Cat-Atomic.
Easy Rider | Kamen Rider | H. Rider Haggard | Nick Kamen | Dean Kamen | Pale Rider | Michael Kamen | Kamen Rider Decade | Kamen Rider 1 | rider | Neon Rider | Whale Rider | The Black Rider | Rider-Waite tarot deck | Red Rider | Midnight Rider | Kamen Rider W | Kamen Rider × Super Sentai: Super Hero Taisen | Kamen Rider Agito | Kamen Bryag | Jack Kamen | Ghost Rider | Alex Rider | Young rider classification in the Tour de France | Steve Rider | Rider (legislation) | Phantom (Kamen Rider) | Peter Collins (speedway rider) | Kamen Rider ZO | Kamen Rider Kiva: King of the Castle in the Demon World |
2, from Shin Kamen Rider: Prologue; and Agito, Garai, and Zu, from Kamen Rider J.