Caesar  chimpanzee  male  Conquest of the POTA, Battle for the POTA  McDowall, Roddy  leader of ape insurrection (Conquest), founder of Ape City (Battle); né Milo, q.v. 
Carsia  chimpanzee  female  POTA TV Ep. 14 "Up Above the World So High"  Barnes, Joanna  Detests the gorillas and orangutans for being in charge; wants to bomb the High Council and put chimps in power 
Caspian, Sergeant Major  gorilla  male  POTA: Urchak's Folly (Adventure Comics)    soldier under Urchak's command; sympathetic to humans, killed by Sgt. Chenko 
Chenko, Sergeant  gorilla  male  POTA: Urchak's Folly (Adventure Comics)    soldier under Urchak's command, brother of Sgt. Renko; kills Sgt. Caspian; survives execution by Col. Urchak 
Chilot    male  "The Deception" [TV]  Burke, Eldon   
Claudius  orangutan  male  POTA: Urchak's Folly (Adventure Comics)    architect, bridge designer, involved in plot to destroy bridge, owns slave William 
Cornelius  chimpanzee  male  Battle for the POTA  Porter, Bobby  son of Lisa and Caesar, named after his grandfather Dr. Cornelius of Ape City; killed by Gen. Aldo 
Cornelius 

chimpanzee  male  POTA (1968), Beneath the POTA, Escape from the POTA, Return to the POTA  McDowall, Roddy (POTA 1968, Escape), Watson, David (Beneath), Mills, Edwin (Return)  inhabitant of Ape City; archaeologist (POTA 1968), animal psychologist (Return); married to Dr. Zira (Beneath), sympathetic to humans