1) SCP idea. A being that manifests to those who are lonely and helps them fulfill their innocent (and sometimes not so innocent😏) desires. This allows them to interact physically with the real world at some level, including their "host". Multiple exist to cator to those that are lonely that the -

3) -them in getting over their fears.

2) - collective deem worthy. Originally each individual can only be seen by those they are comforting. Also they look like each person's sleep paralysis demon. If too traumatic of an experience, they can change it to something more suitable. The thought behind it is using a fear as a comfort to aid