wasnt that guy in the beginning of dawn of the dead?

Well, i didn't understand any of this, so, therefore........

Also, what is Big Boss doing there? Could Metal Gear be the work of.....

5 for Carl.
As a deeply religious teenager, I was deeply offended by Carl Sagan. As a mildly religious adult, I'm glad I grew up.

fave for Carl.
5 for the pipe smoking astronomer who is also a sea captain.

Also "Earth time". Walter is obviously specifying this for the benefit of Carl who exists simultaneously in various multidimensional planes with differing temporal units.

"I be harpoonin' grays since you were knee high to an incubator tank, laddy! I once hid in a corn-wife's bedchamber for six consecutive nights on an alien hunting mission, yar. I found many a critter those nights, if you know what I mean! Pass me pipe, Carl, I be feeling reminiscen'..."

Pretty sure that Carl was born speaking like that.