Greek mythology is thought to have formed around 1200 BCE. In ancient Greece the people worshipped Olympian gods. These Olympians consisted of twelve gods who received their name from Mount Olympus, their dwelling place. These gods ruled after the overthrow of the Titans. The Olympian gods remind me a lot of an aristocratic family of mortals. They had some of the same struggles as human beings do. In some way they were all related to Zeus.
Zeus was the supreme ruler of all the gods, much like a father who rules over his family. He was also the older brother. Zeus was god of the rain, and also the cloud gatherer. His primary weapon was a thunderbolt, which he launched at those that upset him. Zeus was known for his numerous affairs, yet his wife, Hera, protector of marriage remained loyal to him. [In legend, she also spent a good deal of time trying to keep an eye on her philandering husband (Sporre 61).] I think it is ironic as Hera seemed unable to protect her own marriage from the infidelity of her husband.
Zeus' closest brother was Poseidon, the lord of the sea, and many sea men looked to him for luck. His weapon was a trident, and it was so powerful it could shake the earth and shatt