Justice League vs SCP-999-J by ElGuigo on DeviantArt

SCP-999-J, Wiki

If SCP 999 is just a baby, what do you think it'll look like as an adult? How much more powerful will it get? - Quora

ogerdwhy - Undertow Games Forum

SCP-999-j SCP Foundation [RUS] Amino

SCP 682 vs SCP 999 in 2023

scp:1249 - scps character for question and dares - Wattpad

Confused Toad by LexisSketches -- Fur Affinity [dot] net

Slime Plush SCP Plush Set, 15.8'' SCP 096 Plush, 8.5'' SCP 999 Plush Horror Scary Plush Toy Doll for Kids (Set) : : Toys & Games

SCP-999 the Tickle monster : r/SCP

Habi's art and trash dump — @thetoonster and my cursed brains