Undertaker - Kuroshitsuji (Sun 『黒執事 Book of the Atlantic』)
<---ok, but have any of you read the manga? He is literally killing people then bringing them back to life as brain dead zombies so they can kill more people, just because he's curious about what will happen. Come on, guys.
undertaker, from kuroshitsuji/black butler
Image de piano, anime, and manga
adrian crevan undertaker kuroshitsuji black butler luxury liner arc