Koji Matoba (的場 耕二 Matoba Kōji) was the suit actor for Change Griffin, Green Flash, and Black Mask in the Super Sentai shows, Dengeki Sentai Changeman, Choushinsei Flashman, and Hikari Sentai Maskman respectively. He was also the suit actor for Jiraiya in Sekai Ninja Sen Jiraiya. He later did close-ups for G-Stag and B-Fighter Kuwaga in Juukou B-Fighter and B-Fighter Kabuto.