Hiroshi is the youngest and smallest of the group; he pilots the Green Lion, and wears a green uniform. He is approximately 12 years old. Hiroshi graduated from the academy at a young age, and his specialty is science. Like the others, he is well-trained in martial arts, and uses his size and agility to his advantage. Hiroshi is not afraid to speak his mind, especially to the villains. "Suzuishi" is a Japanese word for "Cassiterite," a common tin ore.