The Greek mythology comprised of demons, heroes and all sorts of supernatural beings. Hercules and Achilles were perhaps the most popular heroes in Greek myth. These mythical heroes were believed to have possessed extraordinary power and strength. In the Trojan War, Achilles proved himself as the most fearless and strongest heroes of Greece. After Achilles, Hercules is another popular hero of Greek mythology. He is regarded as powerful as well as brave. Hercules was the son of Zeus. It was said that Odysseus was the one who assisted the Greeks to become victorious in the Trojan War.