From B.C. '
Peter: 'From the shape of your skull I can tell that you are "Peking Man."'
B.C. 'I haven't been near the girls' cave in weeks'
The full character list:
B.C., Peter, Thor, Wiley, Clumsy, Grog, The Skinny Cute Chick, The Fat Ugly Chick, The Anteater, The Bird, The Snake, Clams, The Apteryx (A wingless bird with hairy feathers), Ants, The Flower and The Rock.
Anyone remember timetravel sitcom It's About Time? http://www.imdb.com/title/tt0059997/
Gronk (that's where I got it from?)