well... he looks really serious when his fight and he looks regular person when his around with the nice and innocent people...
actually most samurai did have long hair but it wasnt tied bak in a ponytail rather it was usually in a samurai topknot *Chonmage*
I wonder how battousai keeps his hair pretty? What kind of shampoo did he use? I wish I had hair like that! And he never brushed it did he, lol. ^_^ But really, in all teh old Samurai pics I've seen, thier hair is gorgeous. I never really thougth about that.