TV-Series
Description
Kōji Jimi, also known by his nickname Punkuro, is a key supporting character in the anime Dash! Yonkurō. He is a middle school student and a core member of the Dash Warriors racing team. His most distinctive trait is a pronounced dual personality that manifests depending on whether he is wearing makeup. In his natural state, he appears reserved, shy, and studious, presenting as a mild-mannered and somewhat timid individual. However, when he applies his stage makeup, which includes distinctive facial markings and punk-style accessories, his personality undergoes a complete transformation. In this altered state, he adopts the bold, confident, and flamboyant persona of a rock guitarist, becoming assertive, energetic, and charismatic.

His motivations are closely tied to both his passion for racing and his artistic identity. He is a talented guitarist who is a member of a local rock band composed of individuals connected to a biker gang, and he has earned a reputation as a skilled musician in his area. His racing style mirrors his stage persona when transformed, becoming flashy and dramatic. He is deeply driven to prove himself in the world of mini 4WD competitions and to contribute to the success of his team. His involvement with the Dash Warriors allows him to merge his creative energy with the technical challenge of racing.

Within the story, Kōji Jimi serves as a dependable and loyal member of the Dash Warriors. He is recruited alongside the other original members of the team to compete in the national mini 4WD championships and later participates in the conflicts surrounding the legendary Horizon machine. His role is often that of a supportive ally who can be counted on in races and in difficult situations, though his split personality sometimes leads to moments of tension or surprise for others. After the original team disbands, he continues his passion for music with his rock band, but he later returns when the team is reassembled to face new threats in the Hyper Dash! storyline.

His most significant relationship is with fellow team member Shinkuro Minami. They are long-time childhood friends who have known each other before joining the Dash Warriors, and they frequently act together, with their close bond serving as an important foundation for the team. He also interacts extensively with the other Dash Warriors, including Yonkuro Hinomaru and Dankuro Toda, and he respects the team's founder and leader.

Kōji Jimi experiences notable growth throughout the series. He begins as a timid and uncertain individual, but through his participation in races and his deepening bonds with his teammates, he gains greater confidence. His decision to regularly adopt his punk persona in competitive situations becomes a source of strength, allowing him to channel his abilities more effectively. After the initial team dissolution, he shifts his focus to his music career, indicating a natural evolution of his interests. In the Hyper Dash! continuation, he re-joins the team, demonstrating that his loyalty and passion for racing remain a core part of his identity.

He possesses several notable abilities. Beyond being a skilled racer, he has an impressive talent for building and modifying mini 4WD machines. He is known for being able to construct a working mini 4WD in a very short amount of time, performing faster than some of his peers. His musical talent as a rock guitarist is also a key attribute, influencing his expressive and dramatic approach to racing. His dual-identity trick also serves as a psychological tool, allowing him to compartmentalize his nervousness and perform at his best under pressure.