Koloschung (SCP-968) by totochelo on DeviantArt

SCP-9000 User Profile

SCP-096 by toonlink682 on DeviantArt

GOJIRA7 User Profile

SCP 953 and 999 on the Loose Page 1 by Karasu-96 on DeviantArt

SCP 9668 SCP Foundation Amino

TCCOSD - The Countess by CyberEman2099 on DeviantArt

SCP-1216-RU by TovarishMyauser (links in the comments) : r/SCPtabletopRPG

2948. Leopard Tortoise - Word Play by Cryptid-Creations on DeviantArt

Monsterverse: Polo'ongaku by ToonHolt on DeviantArt

SCP-1233/Gallery, Heroes Wiki

SCP-968 User Profile

SCP-001 (The Way It Ends) by Zal-Cryptid on DeviantArt

His Clockwork Servants — SCP Foundation fanart. SCP-2746 related. Sari's