Kiyoshi Mitarai

Kiyoshi Mitarai, more commonly known as Seaman, is a former member of the Sensui Seven, now an ally of Yusuke Urameshi. He is a self-described social outcast who claims to have been ostracized by his fellow school mates. After his encounter with the near destruction of all humanity, Mitarai opens up to the world, and gains the confidence to look at the future with an optimistic view on life.