The Skin-Stealer, classified as Entity 10 in Backrooms lore, flays human skin and wears it, imitating the victim’s speech and manner to blend in among people. Loose or ill-fitting skin and an unnatural cadence may betray it — yet even those signs can never be fully trusted.
The heart of the horror is the sealed question of identity. The impossibility of ever confirming whether the figure before you is a real person or an imitation breeds a distrust that turns even your closest companion into a suspect. Because seeing alone cannot settle the truth, it belongs to the kind of horror in which observation guarantees no safety.