Post an animê character who is a psychopath/sociopath

Mayuri Kurotsuchi (Bleach)

Caeser Clown (One Piece)

both of them have same seiyuus
both of them have same Same Personalities
both of them are psychopaths

The Kishin from Soul Eater. Madness is his speciality :)

Aria(The Blonde teen) from Akame Ga Kill!

Ragyo Kiryuin from Kill La Kill and Esdeath from Akame Ga Kill

Kurumi Tokisaki from encontro, data A Live !!!!