Oooh oooh I would be either the first hokage,minato or tobi yes I do realise i'de be madara but i'de be madara with tobi's personality childish and clutsy
My personality is mostly like Shikamaru.... very very very lazy but serious (and quite smart xD) when duty calls.
but if I had to choose whoever I want, I'd pick Madara-sama I can be extremely evil when I want to