COD stands for Children of the Dorms Children who's family's sold them for money These Children were experimented on and turned into these creatures. They were supposed to be used in the war but they all overpowered the scientist and guards and escaped. Riot was a kid with severe behavioral issues, his parents had no problem selling him to the scientists after he killed the family pet. He's not a kid anymore, in fact, he's actually in his late 50s to early 60s as a human