Related Clues:

• Lacking citizenship
• Campy 1958 sci-fi film, with 'The'
• Not native
• "Men in Black" menace
• Tabloid abductor
• Amorphous splotch
• Amoeba, essentially
• Sci-fi monster
• Sci-fi alien of '58 (with "The")
• Dollop
• Oozing monster of 1958
• Little green guy
• 'Star Trek' extra
• Earth invader
• Sci-fi character