Gaddi  chimpanzee  male  POTA: Force    inhabitant of Ape City, cadet at military academy, classmate of Attar 
Galen  chimpanzee  male  POTA TV  McDowall, Roddy  inhabitant of Central City, son of Ann and Yalu; seeks job from Councillor Zaius; takes interest in astronauts and kills prison guard; fellow fugitive of Alan Virdon and Peter Burke 
Ganji, Professor  baboon  male  POTA: Resistance    "small, wizened baboon", teaches humans to read diagrams for construction of new Temple of Semos 
Glaucos  chimpanzee  male  POTA: Colony    son of Aspasia, twin brother of Glyppos; inhabitant of New Hope 
Glyppos  chimpanzee  male  POTA: Colony    son of Aspasia, twin brother of Glaucos; inhabitant of New Hope 
Grunt  gorilla  male  POTA (Adventure Comics)    mute son of Gen. Ollo 
Guzo      Return to the POTA Ep. 6 "Terror On Ice Mountain"    referred to in oath used by Capt. Jemmo, "What in Great Guzo's name is it?", on seeing Cornelius' air balloon