Madara
He knew he had to fight this guy quickly... Hand to hand, because if he used any jutsu, Kakashi would just copy them, and soon enough, the mask came down so that his onyx eye was revealed, as he sighed lightly. " Tobi knew you'd use Sharingan. " He said, with a smirk from behind the mask, as he withdrew a kunai, and a few shuriken, sending the shuriken towards Kakashi with amazing speed, and Kakashi easily dodged them, flickering, as Madara flickered as well.
Seeing Kakashi with his own mangekyo sharingan, Madara flickered behind him and brought his arm up, which held a kunai, but Kakashi was smart, and had done a replacing technique, as he withdrew another kunai, seeing the man poof into a log, as he looked down and just barely saw Kakashi's arms come out from the ground. Cursing, he flickered off quickly, appearing in a tree, as he patiently waited. He had to be quick...