SCP-058 Villains+BreezeWiki

SCP-3700-2, Villains Wiki

SCP-3288, Villains Wiki

SCP Foundation: The Foundation / Characters - TV Tropes

SCP-1000, CNTM Genesis Media Series Wiki

SCP-1337, Villains Wiki

SCP-136-2, Villains Wiki

SCP-1000 (Bigfoot) The SCP Foundation Explored

SCP-352, Villains Wiki

What is the SCP-500 and who was the closest user to being an overseer? - Quora

SCP: Secret Files' Review - Anthology Game Nails the Spirit of the SCP Foundation Source Material - Bloody Disgusting