Dr. Mercer
I might be alone in my opinion here, but as I have played Dead Space over and over, I really began to think that the most scary or disturbing aspect of this game was Dr. Challus Mercer. Just how insane he is in this game scared the **** out of me, and whenever I get bored and play through this game, I always notice how he gives me chills. Other than that, the twitchers really freaked me out too.
Does anyone agree?