Is he really asian when you think about it? I mean, the only asian town I saw in FF7 was wutai. That town that Cloud was from (don't know how to spell it, but you all know what town it is) seemed more like a European or North American type settlement.
In AC, a they had someone who was asian play Cloud, giving him that apperance. He looked more European in the original FF7.
Of course, if reality and I disagree, reality will win.