Kantam Robo is a fictional robot hero from the in-universe anime series 'Kantam Robo' within the popular anime and manga 'Crayon Shin-chan.' He is a giant robot who fights for justice and protects the innocent, often serving as the favorite hero of Shinnosuke Nohara, the main character. Kantam Robo is portrayed as brave, strong, and always willing to help others, embodying the classic traits of a mecha hero. His adventures parody and pay homage to traditional Japanese mecha anime.