TV-Series
Description
Professor Mizuki is a central supporting figure in the story, serving as both the creator of the super robot Albegas and the father of one of its pilots, Hotaru Mizuki. He is a brilliant and renowned scientist in the field of robotics, whose expertise and foresight become crucial when Earth is threatened by the alien Derinja, also known as the Derringer. His professional role is to lead the defense against this alien menace from a facility known as the Robot Center, which operates under the International Defense Force.

His primary motivation is a dual one: to protect the Earth from the invading Derinja forces and to safeguard his daughter and her friends, who are the chosen pilots of his creation. Initially, the three advanced robots that form Albegas were award-winning projects built by the students at Aoba Technical High School, including his daughter Hotaru and her friends Daisaku Enjoji and Tetsuya Jin. When the alien threat emerges, Professor Mizuki takes these three robots and modifies them specifically for combat, transforming them into the Alpha Robo, Beta Robo, and Gamma Robo, which can combine to form the giant fighting machine Albegas. In this sense, his role is that of a mentor and a strategist, equipping the young pilots with the tools they need to fight while supporting them from his base.

Beyond his scientific endeavors, Professor Mizuki has a personal life that is woven into the narrative. He is a widower, having lost his wife some time before the events of the series, which has led to a close and supportive relationship with his daughter, Hotaru. A significant aspect of his personal story involves his assistant, Saeko Asabuki. The series establishes early on that he has begun a new romantic relationship with her, a development that serves as a recurring theme throughout the anime. Notably, his daughter is portrayed as being supportive of this new relationship, demonstrating the family's resilience and mutual respect.

Throughout the series, Professor Mizuki does not undergo a dramatic personal transformation as the main characters might. Instead, his development is more about deepening his commitment to his dual roles as a father and a protector of Earth, all while navigating the complexities of his personal life. His personality is generally defined by a calm, responsible, and intellectual demeanor, befitting a senior scientist and an adult figure of authority. He stands in contrast to the youthful energy of the three main pilots and provides them with guidance, technical support, and the resources of the Robot Center, including the Super Wing Booster and the various support vehicles like the Super Abega. His most notable ability is his exceptional talent in robotics engineering, which he uses not only to create the core Albegas system, which can reconfigure into six different forms for different combat environments, but also to continually develop and upgrade the team's equipment to counter the evolving threats from the Derinja Empire.