Syuuya Aikawa/Aoba (Crossover War Heroes)

Syuuya Aikawa is a former villain-turned-ally in Crossover War Heroes. He was once a member of the Bruters. Later, he joins forces with the heroes to end many wars by brining real peace to the Multi-Universe.

Personality
Unlike his mainstream Kamen Rider Counterpart, Syuuya is portrayed as a tragic anti-hero and one of Kazumi's lost pals who was once under the evil, manipulative influence of Dong Zhuo and his minions.

History
Masaru Ooyama made a debut as one of Dong Zhuo's henchmen. He accompanies and abuses Hiroki Nagase as prisoner. Suddenly, Hiroki successfully escapes. He and his friends started pursuing him. However, he and his friends were quickly stopped by Milinda Brantini and her friends. After the redemption is successful, Masaru and his friends joined forces with Milinda Brantini and Tekkadan to end chaotic wars.

After the defeat pf the Bruters and the death of Yan Baihu, he and his friends continued their adventures by having a safety arrival on earth. So that, he and the rest of our heroes can remain safe and alive.

When the arrival was finished he and the rest of our heroes enjoyed the peaceful time for themselves to relaxed. After Yugo Ogami and Alice Tsukagami were kidnapped, Luigi and the rest of our heroes notified to Syuuya and the our heroes that KOG is the sinister mastermind organization responsible doing a lot of sinister activities like: Official Corruptions, Kidnappings, etc.

When the adventure was resumed he and the heroes must meet up with Dr. Kuroto Dan and his meddling companions.

Trivia

 * Syuuya is similar to Curly from Three Stooges.