-hammer, Mjolnir. Mjolnir was a sign of Thor's power and it would always return to Thor's hand after being thrown. It is the symbolic version of lightning. There does not seem to be a direct counterpart to this Norse god of thunder. However, some aspects of Thor can be found in some of the Greek gods. The most obvious is Zeus, the god of lightning and thunder. Thor was also the god of thunder but he was not the ruler of the gods, as Zeus was. In some ways Thor was the most important god to the Norse, in the sense that he was the most worshipped and liked god. In this sense Thor could be compared to Athena, who was the most beloved goddess of the Greeks. However, the similarity ends there seeing as how, Thor was basically a brute while Athena was a wise, strategic goddess. She was reasonable and usually thought her actions through while Thor was known for acting on impulse.
A more sensible comparison to Athena would have to be Odin, who had great wisdom. However, among the Greeks Athena was held in higher esteem than Odin was among the Norse. Odin was not born with great wisdom; he acquired it through many tasks and journeys. Odin and Athena were both known for helping mortals. Athena helped Odysseus, Perseus, Jason and Herakles. Similarly, Odin was the protector of Sigmund. Athena and Odin were both Gods of war, however Athena was known a strategic figure unlike Odin, or any of the Norse Gods for that matter.
One of the main differences between Norse and Greek Gods can be seen in the popularity of Athena. Athena is the most beloved of Greek Gods and was the prime character in many of the Greek Myths. Although the Norse Goddesses were mentioned they were never had any major impact, unlike Athena.
Hera the Greek Goddess and Frigg the Norse Goddess are two very similar goddesses. Both were the wives of the supreme gods, and both were the Goddess' associated with marriage. However, as in most of the Norse myths, Frigg play...