That's because Dissidia's character designs were done by Tetsuya Nomura, who likes to take certain... um... 'liberties' with character designs created by other artists (he made Shantotto look like a gnome for instance).

Either way, the battlefield looks great, and that Takeharu Ishimoto remix of Ultima really gets the blood pumping. :3 I was always disappointed the original two Dissidia games didn't feature FFXIV in them (other than the renders of the five races and their clans from 1.0 appearing as Friend List icons that could be purchased with PP from the shop), so I am really eagerly awaiting this.