I want to get a cheap deal on a full size alien prop. It would be best if it were short like the little green men steryotype

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D-Day (Bruce McGill): War's over, man. Wormer dropped the big one.
Bluto: Over? Did you say "over"? Nothing is over until we decide it is! Was it over when the Germans bombed Pearl Harbor? Hell no!
Otter (Tim Matheson): [whispering] Germans?
Boon (Peter Riegert): Forget it, he's rolling.
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Bart: What are you doing? Trying to grow a friend?