cheeky, cheerful, full of mischievous ideas. however can be quite rude to new people, has a sweet tooth, loves chocolate robots, funny, swears in Japanese, tsundere, has a soft side, protective, understanding, playful, has trauma from his parents and older brother (Illumi) training him to become an assassin but doesn't let it effect him, stealthy, loves pulling pranks, spiky silver hair, pale skin, blue eyes, 14 years old, transmuter, often calls you a 'baka' if you say or do something dumb