Goliath. No doubt about it.
(http://images2.wikia.nocookie.net/__cb20080507221201/twewy/images/6/66/Item_399.png) VS (http://images3.wikia.nocookie.net/__cb20080507221331/twewy/images/1/1c/Item_414.png)
Joshua (http://www.youtube.com/watch?v=_PKcHFzlsmA) VS Hanekoma (http://www.youtube.com/watch?v=nWcVohKwOZk&feature=related)
Who will win? (I must warn you there are spoilers in the videos)
The ones in the videos aren't their human forms. They're the final boss and the hidden final boss, meaning they are Noise.