...that look like these:
Robot on left
These are from Bronze Age Miniatures but they're metal :(
Here's an alien...
Hydra Miniatures makes awesome stuff, but again--all metal. I'd buy their entire catalog if I had my druthers.
And we all know this guy should really be holding a gun or a lightsaber:
I just can't seem to find a good cache of pulpy space-opera-y minis out there. And the key here is in PLASTIC. Preferably a box like Caesar, but I'm not choosy. Does anything like this exist? Any sculptors out there want to take a crack at this?