Forgot Alien Movie Name [Solved]

You know what movie I’m talking about, if you’ve seen it.
The aliens’ head’s have exposed brains, bulgy eyes, and they look actually rather scary. If you know the name, I’m dying to find out.
They also yell basically nothing but “AAAK AAK AAK.”
Thanks in advance!
Answer #1
This one? http://www.imdb.com/title/tt0116996/