Isoroku Akamatsu

Isoroko Akamatsu is a young human Japanese boy who is a kindhearted and brave Challenge Island kindergartener and is one of Shimajirō Shimano's allies and one of Ms. Shikako Shikano's students. He wears a blue t-shirt, blue shoes and blue pants. He sometimes wears samurai clothing and sometimes wears traditional Japanese clothing.