Xerxes Break from Pandora Hearts Accelerator from To Aru Majutsu no Index Undertaker from Kuroshitsuji Shugo Makishima from Psycho Pass Shion from No.6 Ginko from Mushishi Byakuran from Katekyo Hitman Reborn Killua from Hunter x Hunter
Toshiro Hitsugaya from Bleach. Even though he looks like a kid, he's very mature and serious, making situations funny at times. Also, his battle domain is every piece of water in the atmosphere, cuz his power is in ice. And I think every Bleach tagahanga shed a tear when. . . you know what? I'm not gonna spoil it. Go watch it yourself and see.