Related Clues:
- Green card holder
- Amorphous mass
- Immigrant
- Sci-fi staple
- 1979 Sigourney Weaver film
- Completely unfamiliar
- Roswell crash victim, supposedly
- Saucer occupant
- Amorphous sci-fi villain
- Green-card carrier
- Amorphous form
- Amoeba, e.g.
- ... and his most famous role
- Loch Ness dweller, they say
- Sigourney Weaver sci-fi classic