H.P. Lovecraft's The Unnamable (1988)

Now I wasn't really impressed with this movie but it was a fun watch. There were a few good jumps and scares and the creature looked awesome! The suspense of having to wait 'til the end of the film to see the creature killed me but it was worth it. I still think the best H.P. Lovecraft based movie is by far Re-Animator, this film didn't come close but was still entertaining.

Synopsis from IMDb
Back in the 1800's a lady gives birth to a monster. They decide that the baby is too ugly to name, therefore the monster is known as the "Unnamable". The creature brutally slaughters his family, and gets trapped in a vault. Go ahead to 1998, and some college students have heard the story about the unnamable and want to check out the vault...

2 1/2 stars is my verdict. Still worth a watch if you haven't seen it. Check out the trailer.