Anatoli Knyazev, also known as KGBeast, is a villain that has appeared in various media. In fanon media created by 900bv, he appears in the video game Batman: Altor's Demise.
Batman: Altor's Demise
In Batman: Altor's Demise he appears as part of the Blue Beetle Pack in the side mission The Russian Beast. The player will be notified of major damage to buildings, and using evidence at the scene to find him.