Colony Omicron

From the ashes of Colony Omicron came the intense hatred between Depth Charge and Protoform X.

Beast Wars cartoon
Colony Omicron was a Maximal colony established some three centuries after the Great War. Protoform X was incarcerated at the colony but he escaped and destroyed it, along with every Transformer. The only survivor was the security chief, Depth Charge. Haunted by the massacre and survivor's guilt, Depth Charge spent four stellar cycles hunting down X.