Casey Jones (Duo-Franchise)

Casey Jones is a recurring character/unofficial secondary main protagonist of the Duo-Franchise. After getting infected by the head parasite of a poisonous fog, he became Lich King, the "ultimate parasite". Thankfully, he is pacified and eventually has the parasite's side effects combine with his snake attributes to become an unofficial Myles Bot known as Greenvenom. After his ascending to main character status was scrapped, his current status with the protagonists is unknown.