D-Boy Blade, known as Takaya Aiba in his civilian identity, is the protagonist of the anime series Uchuu no Kishi Tekkaman Blade. After being transformed into a Tekkaman, he fights as Blaster Tekkaman Blade to defend Earth from the alien Radam invasion. Driven by trauma and guilt over his family's fate, D-Boy endures personal struggles, displaying resilience and determination. His role is central to the series' narrative, as he leads the battle against the Radam and strives to reclaim his lost humanity.