" @nrain: Well, Ryan wanted it believable! Who in our generation could credibly create a time amachine but hawking?! Unless.....oh, God...What if Michio Kaku is the final boss...... "Michio Kaku can't be evil!!!
Also, I'm thinking that Nolan North should probably voice John Wilkes Booth's brain/Lincoln's inner voice, and Keith David will voice Abe!