Duos of potential ww doom
Lhuna and
Mac. 'Nuff said.
Kath and
Diamond. I haven't yet quite forgotten the game you were the ranger and the hunter in...
I second
Roa and
Nogrod. But to make it more insane, don't add
Sleepy, but
Sauce.
Duos of potential survivor doom
Mormegil and any other 'downer.