he has 2 personality, the first one is his normal self, that is kind, happy and friendly..the second one is, he's cold, dont talk too much, stoic face, have an angry issues, scary, become a bad boy and alcoholic.. when he's mad in his normal self, it is different from other personality, such as if he's mad he will do it for a reason and if he's mad in second personality, he will mad without reason and it is scary..