In Greek mythology, the Sphinx is a creature with the body of a lion and the head of a human, symbolizing riddles and mysteries. The Sphinx is best known for posing a deadly riddle to travelers, particularly in the myth of Oedipus, where it plays a crucial role in the narrative by challenging those who seek to enter Thebes. This creature embodies themes of knowledge, wisdom, and the consequences of failing to understand its enigmatic nature.