SCP-3887 is a Euclid Class anomaly also known as the Monster Under the Bed. Children often run scared into their parents' bedroom terrified of the monster that they saw in their closet, or lurking in the corner, or hiding under the bed. When the lights are turned on, it usually becomes clear that it was only a toy that was left out or a shadow cast through the window. But when it comes to SCP 3887 the child is telling the truth. There really is something lying in wait underneath their bed. What

El monstruo oculto bajo la cama, el SCP 3887 | Investigador SCP uw