ins creed: Who is Altair?

The protagonist of AC 1. He a master in stripped of his rank for breaking the three bylaws that the Brotherhood of ins lives by. For that, he is given the chance to redeem himself by assassinating 9 targets who are pretty despicable people. After the events of the game, he manages to invent a new fighting style and new equipment for future Assassins. He is the one in the white robe. Ezio, a distant descendant by some 400 years, is the one in the dark robe.