An ancient godlike, cosmically powerful entity, with the powers of weather at his disposal.
He is responsible for the 1995 destruction of Draketown, Alaska.
In the Fall(or possibly late summer) of 1996, following the abduction of his wife, Helia, Thunderhead threatened to destroy all of Astro City as part of his vengeful anger.
Vastly powerful, A full roster of Astro City's strongest super-heroes could not stop him.
- Similar to the Greek god Zeus, he is quick-tempered, dominant in stature, with blusterous attitudes.
- He is called "Dunderhead" behind his back.
- Married to Helia, a wise partner, providing a calming nature to his furious temperament.