Meaning: A shadow person (also known as a shadow figure, shadow being or black mass) is the perception of a patch of shadow as a living, humanoid figure, particularly as interpreted by believers in the paranormal or supernatural as the presence of a spirit or other entity.
I seen them and they think I'm crazy. This was at my old previous home I used to live. They say it's pretty common among people who saw them yet some say it's a placebo effect.
I used to see dark figures in the corner of a room in a house where I lived as a child. It made me terrified of the dark, as a child. My mother would tell me it was my imagination. I grew out of it eventually.