Kamen Rider Den-O & Kiva: Climax Deka

A kind-hearted, sometimes impulsive protagonist who leads the DenLiner Police alongside the Den-O team. He stands up for civilians, forms bonds with Imagin, and embraces the responsibility of defending people across time. His resolve strengthens as he confronts Negataros and coordinates the group’s efforts.

A skilled ally who tips off the DenLiner Police about the Evil Organization. He experiences moments of possession by Momotaros, complicating loyalties but ultimately contributes to the plan to stop Negataros. His violin-focused performance underscores his artistic background as a source of strength.

An undercover ally who operates incognito within the criminal world. He works to free colleagues and reveal Negataros’s schemes, balancing personal risk with a larger mission. His actions reveal hidden loyalties and a willingness to challenge dangerous plans.

The Imagin leader behind the Evil Organization, orchestrating a dangerous detonation and a campaign to undermine Den-O. He showcases cunning and formidable power, pushing the DenLiner Police to their limits. His defeat marks the film’s climactic shift from chaos to resolution.

A comically inebriated Imagin whose antics provide misdirection during key moments. He inadvertently aids the team by serving as a distraction for Negataros’s plans, contributing to the chaotic, humorous tone of the climax. His presence lightens tension while still advancing the plot.

A sly, theatrical Imagin who engages in manipulation and combat. His presence intensifies the conflict with Den-O and complicates the chase, highlighting the Imagin’s deceptive nature. He adds a menacing, unpredictable edge to the villainous faction.

A human ally whose presence and actions intersect with the DenLiner crew’s mission. She becomes part of the distraction and deception during pivotal scenes, illustrating how ordinary people can be swept into extraordinary confrontations. Her role reinforces the film’s themes of courage and resilience.

A character involved in digging up items for a violin varnish, whose path crosses with the DenLiner Police. Her actions contribute to the investigation’s progress and highlight the interconnectedness of seemingly mundane tasks with the larger mystery. She serves as a grounding presence among heroic efforts.

A detective whose past informs present actions, offering closure to the narrative when visited in 1986. His history with Kazuma grounds the story emotionally, linking present danger to unresolved family or investigative ties. He embodies the theme of seeking truth across time.

A figure connected to Wataru’s lineage, appearing in the DenLiner’s investigation. He represents the broader Kurenai family dynamic within the story’s time-travel framework. His presence helps anchor the ongoing struggle and escalation toward Negataros’s defeat.

The character who provides narration and anchors the DenLiner’s world-building. As a figure with insider knowledge, he guides the team through the complexities of time-travel politics and the Imagin’s schemes. His perspective frames the emotional and procedural beats of the story.