does he have parallels with deities in any other cultures?
Yes, with the Egyptian Ammon and the Etruscan Tinia
Zeus
Zeus was identified with the Roman god Jupiter and associated in the syncretic classical imagination (see "interpretatio graeca") with various other deities, such as the Egyptian Ammon and the Etruscan Tinia. He, along with Dionysus, absorbed the role of the chief Phrygian god Sabazios in the syncretic deity known in Rome as Sabazius. The Seleucid ruler Antiochus IV Epiphanes erected a statue of Zeus Olympios in the Judean Temple in Jerusalem. Hellenizing Jews referred to this statue as Baal Shamen (in English, Lord of Heaven).
who stole the lightning bolt in percy jackson book Ares what is the title of the book you are talking about? The Lightning Thief who is it written by? Rick Riordan who is the character mentioned in the beginning? He is the Greek god of war in the book, who did this bolt originally belong to? Zeus and who is he? He is the sky and thunder god in ancient Greek religion, who rules as king of the gods of Mount Olympus. how is he supposed to have been born? Rhea gave birth to Zeus in Crete, handing Cronus a rock wrapped in swaddling clothes, which Uranus promptly swallowed.
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Zeus [SEP] Zeus and foreign gods
Zeus was identified with the Roman god Jupiter and associated in the syncretic classical imagination (see "interpretatio graeca") with various other deities, such as the Egyptian Ammon and the Etruscan Tinia. He, along with Dionysus, absorbed the role of the chief Phrygian god Sabazios in the syncretic deity known in Rome as Sabazius. The Seleucid ruler Antiochus IV Epiphanes erected a statue of Zeus Olympios in the Judean Temple in Jerusalem. Hellenizing Jews referred to this statue as Baal Shamen (in English, Lord of Heaven).