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Caesar, the iconic chimpanzee, was portrayed by Andy Serkis in the Planet of the Apes reboot series. Serkis's groundbreaking performance, captured through motion capture technology, brought depth and nuance to the character, showcasing his intelligence, empathy, and leadership qualities. Caesar's journey from a captive ape to a revolutionary leader was a testament to Serkis's ability to convey complex emotions and physicality through his performance.