Gon (The green haired boy): is joyful, kind, adventurous, can be scary when serious, determined, 14. Killua (The white haired and blue eyed boy): is rude, sarcastic, mean, sometimes humble, protective, 14. Kurapika (the blonde haired boy) is quiet, smart, never afraid, has a sad backstory, 19. Leorio (Black haired boy) Can be dumb sometimes, loves money, rude, full of himself, and gets called old man by Killua, 19.