Actually... Everyone has a bad side. Kid, too, has a bad side. For balance to exist, good and bad must maintain perfect equilibrium. Kid đã đưa ý kiến that one himself, and I doubt he would exclude himself from this. Even our precious Kid has a bad side, because he is balanced. Of course, that doesn't make him any less perfect. It actually makes him thêm perfect, because he is thêm balanced, and balance is absolute and undeniable perfection. It even happens in the manga.