Rintarou

Rintarou is the leader of Jurren Village which the Ogame School uses to train. He was originally from Poland but ended up on the shore of Unabara. He met Jinsuke Kurogane when he was younger. Later he had three children with a woman from Unabara. He also was the leader of the village when Shin Iori and the rest of the old Ogame School were all together. He is a skilled individual and has a knowledge of "presence" it has been stated that in his trainings students aim to score a point on him this task took Iori and Shin-san a total of 78 days which was the record until Gama bested this setting a new record of 76 days Zemaru also completed this trail in 78 days.