SCP-939 Photographic Print for Sale by opthedragon

SCP-999, Heroes Wiki

SCP-999 human and 'monster' form by FreyaTheFox666 on DeviantArt

Serpent Below the Ocean Surface - SCP Foundation

What If SCP-999 Was Real?

Everyone's favorite boi, Depressed B'gone : r/SCP

Why is SCP-682 the weakest child of the SK when he is an Infinitely adapting and Transcending SCP? - Quora

999 and 682, SCP FOUNDATION SCPs Wiki

What would happen if SCP-096 became friends with Scarlet King? - Quora

FIMIGID SCP Plush Toys, SCP 999 Plush, Tickle Monster Halloween Stuffed Plushie Toy Gift for Kids (Candy Tickle Monster) : Toys & Games

Has scp 999 true form ever been described if so what : r/SCP