Koji Kabuto is a fictional character from the popular Japanese anime and manga series Mazinger Z, created by Go Nagai. He is the main protagonist and a skilled pilot of the giant robot Mazinger Z, which was designed to fight against evil forces led by the villain Dr. Hell. Koji is known for his bravery and determination in protecting humanity. In the series, Koji inherits the responsibility of piloting Mazinger Z from his grandfather, who originally built the robot. Throughout the story, he battles various mechanical monsters and strives to thwart Dr. Hell's plans for world domination, showcasing themes of heroism and sacrifice.