The Demigod Hercules

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The greatest of all heroes in Greek mythology, Hercules was the strongest man on earth. Besides tremendous physical strength, he had great self-confidence and considered himself equal to the gods. Hercules (called Heracles by the Greeks) was not blessed with great intelligence, but his bravery made up for any lack of cunning. Easily angered, his sudden outbursts of rage often harmed innocent bystanders. When the fury passed, though, Hercules was full of sorrow and guilt for what he had done and ready to accept any punishment for his misdeeds. Only supernatural forces could defeat him, and it was magic that ended his mortal life. In Greek mythology, only two figures with half-mortal, half-immortal parentage—Hercules and Dionysus—became fully immortal and were worshiped as gods.

Information source - http://www.mythencyclopedia.com/Go-Hi/Hercules.html