<Tr> <Th> Children </Th> <Td> Cornelius II Blue Eyes & Cornelius (reboot series) </Td> </Tr> <Tr> <Th> Origin </Th> <Td> San Francisco, California, United States </Td> </Tr> <P> Caesar (birth name: Milo) is a fictional character in the Planet of the Apes franchise . He is the leader and later ruler of the apes in both the original and the 2011 reboot series . He does not appear in the 2001 film . </P> <P> Caesar is the son of talking chimpanzees Cornelius and Zira . Originally named Milo after Dr. Milo, who travelled back in time with Cornelius and Zira to the Earth of Taylor's era, he was reared by his human foster father Armando, a traveling circus owner who gave Cornelius and Zira sanctuary when Zira went into labor in the final act of Escape from the Planet of the Apes . Before departing, Zira switched the infant Milo with a young chimpanzee recently born to Armando's primitive chimpanzee, Heloise . Heloise's baby was killed, along with Zira, by the human Dr. Otto Hasslein . After Cornelius kills Hasslein, he is shot by a Marine Corps sniper . Milo speaks his first word, "Mama", at the very end of the film . His false identity secure, Milo grew up as a mute acrobat . </P>

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