Stheno Medusa was beheaded by Perseus, Stheno and Euryale tried to kill him, but failed due to his use of Hades' cap, becoming invisible. Stheno In Greek mythology, Stheno ( or ; Greek: Σθενώ, English translation: "forceful"), was the eldest of the Gorgons, vicious female monsters with brass hands, sharp fangs and "hair" made of living venomous snakes. The daughter of Phorcys and Ceto, Stheno was born in the caverns beneath Mount Olympus. She and her sister Euryale were both immortal, and the third sister, Medusa, was mortal. Of the three Gorgons, she was known to be the most independent and
Medusa (DC Comics) sisters Euryale and Stheno. She eventually met the gaze of Poseidon. Athena took notice of this, and cursed Medusa, transforming her hair into snakes and giving her a deadly gaze that turns any who look into her eyes to stone. The hero Perseus was given the task of slaying Medusa and taking her head. After using her decapitated head for his own use, Perseus threw it into the sea as he believed it too dangerous to keep. At some point before Medusa's death, she mated with the cyclops Polyphemus and gave birth to the serpentine giant Cyclon. The god of