500 Kodama is a Shinkalion pilot character from Shinkansen Henkei Robo Shinkalion, associated with the 500 series Kodama Shinkansen. He appears as one of the child pilots who help defend Japan using transforming bullet trains and Shinkalion mecha. In the series, he serves as a support and combat member within the Shinkalion team, contributing to missions against mysterious enemies threatening the railway network. His role emphasizes teamwork, train enthusiasm, and the connection between real-world Shinkansen models and heroic robot action.