Tetsuro Segawa

Оригінальне ім’я: 瀬川哲郎

Tetsuro is a chubby third-year student and is Shō's closest friend. He is highly intelligent, keeps his hair cut short and wears glasses. Tetsuro is a Science Fiction fan and the leader of the Sci-Fi society club in the school, which gives him some knowledge to make quite a few assumptions about the things involving the Guyver.