It happened when I was five or six years old, I lived in a small apartment in the center off the town, and every time I goes to the "hall" where was the elevator I feel a "thing", I don't know how explained it, but was weird. And one night I goes to sleep, everything normal and I wake up in the middle of the night, and look around my room and saw a white thing? I don't know how describe it but was like an ambulatory ink stain? Or something like it, actually it remember me sonic but white (I think it was little crazy but that creature definitely remember be sonic) and when I look at "it" I just stay paralysing of fear, the how experience actually happened in like, one second, the thing literally just crossed my room and crossed the wall to my parents room. When I told them in the next day Thay said it was a dream or my imagination but, just feel so real and I really believe that thing was a ghost or something. Anyway, it looks like a white sonic...