Tetsujin 28 is a giant remote-controlled robot from the classic manga and anime series Tetsujin 28-go. Created as a powerful weapon during wartime, he is later used by the young protagonist Shotaro Kaneda to fight crime and protect the innocent. As one of the earliest and most influential mecha characters in Japanese fiction, Tetsujin 28 represents the roots of the giant robot genre. The character serves as both a symbol of technological power and a guardian figure in the series.