scp-173
Subject of the SCP Foundation, and notably the first SCP ever written. Crude statue which is animate when not being observed. Known for incredible speed and violent interactions with living beings.
Popularized the "SCP" fiction and is featured in fanmade projects such as SCP: Containment Breach. Appearance originally based on a statue by artist Katou Izumi, until it was phased out in 2022.