Sakonji Urokodaki (Sakonji)

A trainer, a former demon slayer. Pragmatic, strict, vigilant, has a no-nonsense demeanor when it comes to the people he trains as students who become water breathing users in the demon slayer corps. Very smart as well. He had also lost a large quantity of students in the past including Sabito and Makomo. He really cares about his students and cried in relief and hugged Tanjiro as he realized Tanjiro had passed. Also believes Nezuko is an exceptional demon who is not evil like other demons are.