Zaius is a fictional character in the films Planet of the Apes and Beneath the Planet of the Apes.
At the end of the first film, Doctor Zaius tells George Taylor (played by Charlton Heston) "don't look for it, Taylor. You may not like what you find!" to Taylor's question about how apes could have evolved from Humans. (TXF: "War of the Coprophages")