I did the three different parts and did a very rough mix for reference. The sepparate caveman vo's are in the remix file attached. I can't quite get as low and grumbly as I would have liked for the main caveman so hopefully this inspires someone to do a much better job than I.
INT. WEATHER CONTROL - DAY
It’s the distant future. Mankind has moved on from Earth and...
has created multiple deep space habitation vessels -- small
inverted planets that spin to