KGBeast is a fictional character in DC Comics. He is a Russian assassin and former KGB agent who has appeared as an enemy of Batman and other superheroes in the DC universe. KGBeast was created by Jim Starlin and Jim Aparo, and first appeared in Batman #417 in 1988. He is known for his highly skilled combat abilities and proficiency in various forms of weaponry, including firearms and explosives. KGBeast is also notable for his involvement in the "Ten Nights of the Beast" storyline, where he was sent to kill 10 high-profile Americans by the Soviet government. He has also been a member of the Suicide Squad and the Secret Society of Super Villains.