Jigoro Kuwajima (Jigoro)

Steadfast and strict when it comes to training his students as the previous thunder Hashira in the demon slayer corps. had a soft spoken and unwvering dedication to training his students. He was filled with grief after being informed that Kaigaku, who was a student of his has betrayed demon slayer corps. He never gives up on the students he trained. Also had a strong fatherly love for his students as well including Zenitsu.