Daimon Hellstrom, also known as the Son of Satan and Hellstorm, is a fictional character in the Marvel Comics universe. He first appeared in Ghost Rider volume 2 #1, and starred in the short-lived Son of Satan and Hellstorm: Prince of Lies series.

Daimon Hellstrom was the son of a demon which called itself Satan and a mortal woman named Victoria Wingate. Daimon and his sister, Satana , were trained by their father in the art of magic, tapping into the power granted them by their dark heritage. When their mother discovered this, she was driven mad, and their father raised them by himself. However, while Satana embraced her heritage, Daimon clung onto his humanity. He became a professor of anthropology at a prestigious university. He then set himself up as an occult investigator and defender of humanity, battling dark arcane forces - primarily those of his father - under the name of the "Son of Satan".

Eventually, Daimon joined the Defenders. He became a member in good standing, eventually marrying his teammate Patsy Walker, alias Hellcat. They retired, but Daimon's heritage drove Patsy mad. She was institutionalized and later committed suicide.

Daimon, now calling himself Hellstorm, ultimately discovered a way to finally defeat his father. Daimon discovered his father's true name - Marduk Kurios - and used the power of this knowledge to finally kill him. Daimon became the new "Satan", ruling over his father's Hell. He used this power to allow Hawkeye and his Thunderbolts to return Patsy from the dead.

More recently, it has been revealed that Daimon was never truly the son of Marduk Kurios. His true father was the Dread Dormammu, who fathered Daimon as part of a plot to take control of Hell. Daimon appears to have embraced his heritage and crossed the line from anti-hero to full villain.