Because you like Millions Knives in Trigun

For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.

Everyone is just a chess piece, and Izaya Orihara is a master player. See them in Durarara!!.

An agile and powerful swordswoman, Saber is a dignified warrior down to her bones. See them in Fate/Stay Night.

For somebody who won't answer questions, the enigmatic C.C. sure asks a lot of them. See them in Code Geass.

With her consciousness so easily shifted between bodies, Motoko Kusanagi is left unsure of who or what she really is. See them in Ghost in the Shell.

Duck, girl, and legend: Ahiru's identities confuse even herself at times, and she often wonders which of them is truly her. See them in Princess Tutu.

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.

Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.

Who needs friends when you're the King of Duelists? See them in Yu-Gi-Oh! .

He's the great Black Star, and he's come to assassinate you. See them in Soul Eater.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

After finding a mysterious object in one of the many rooms in her father's mansion, Bulma is inspired to discover its secrets. See them in Dragon Ball.