Yeah, 2nd looks like it would be the most fun to sculpt too.
But I also like the 3rd one, but that's not very "horror"... not that I'm in any position to complain
"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
[long pause] "Friend!!"