Shadow people are reported worldwide and since the beginning of recorded history. Shadow people seem to be living shadows. They are usually seen out of the corner of peoples eyes. Some people see semi-transparent dark splotches. They vanish as soon as a person realizes what they saw. When people see shadow people a feeling of despair and fear overcome them. There have been some reports of being attacked or chased by these shadows. The shadows are usually larger than a normal shadow and doesn’t resemble the person’s silhouette. They are often reported moving with quick, jerky movements, and quickly disintegrate into walls or mirrors. They are believed to be evil and aggressive in nature, although a few people consider them to be a form of guardian angel. A number of religions, legends, and belief systems describe shadowy spiritual beings or supernatural entities such as shades of the underworld, and various shadowy creatures have long been a staple of folklore and ghost stories. It is believed they can be repelled by invoking "the name of Jesus".

Those who are experiencing and studying the shadow people phenomenon say that these entities almost always used to be seen out of the corner of the eye and very briefly. But more and more, people are beginning to see them straight on and for longer periods of time. Some experiencers testify that they have even seen eyes, usually red, on these shadow beings.