others do it? In the very first episode of Naruto, Uzumaki Naruto learnt how to do Kage Bunshin (Shadow Replication) from a scroll that contained forbidden techniques. So if Kage Bunshin was a forbidden technique sealed away within that scroll, why is it that other characters, like Itachi and Kakashi and other misc characters in the show, do it? or rather CAN do it?