SCP-5056-A

SCP-5056-A was a manifesting humanoid that was visible to SCP-5056-B and other personnel at Site-43.

Containment
SCP-5056-A was not contained, however it was only visible to SCP-5056-B and Site-43 personnel in reflective surfaces, and was only able to communicate to SCP-5056-B. (Series VI: "The Constant Companions")

Overview
SCP-5056-A was a gray-skinned humanoid with face scars that resemble a face. SCP-5056-A could only be seen when reflective surfaces, with it preferring glass, such as lenses. SCP-5056-A caused all optical media it appeared in to suffer from atomic-level degradation.

SCP-5056-A began following SCP-5056-B from 9 September 2002, with -B the only one being able to communicate with it.

If SCP-5056-A was ever taken away from -B, it would open its scars wide and screech at a 119 decibel tone, audible to all personnel at Site-43. (Series VI: "The Constant Companions")

Discovery
SCP-5056-A first appeared to -B in 2002. (Series VI: "The Constant Companions")