Heracles was the most popular heroic figure in Greek mythology. A demigod, he was phenomenally strong, brave, and resourceful.
Heracles, Deianira and Nessus. Attic black-figured hydria, ca. 575–550 BC.
Public Domain. Courtesy of Wikipedia
When Hercules was taking his bride Deianeira home, the centaur Nessus volunteered to ferry her across the water. His intentions were dishonorable. When he tried to rape her, Hercules killed him, with dire consequences.