Dark Phantom

The Dark Phanton was a villain created by Frank Belknap Long and Fred Guardineer for the comic book Adventures Into the Unknown.

Biography
He was the arch-enemy of Malevo. Tony Brand sought his assistance in defeating the other demon. The Phantom initially tried to kill Tony, but relented and agreed to assist him in return for a chance to kill his eternal enemy. He used his powers to turn Malevo to stone, but afterwards betrayed Tony and his girlfriend Gail Leslie and tried to kill them. However, Dr. Vandyke had given Tony a magic talisman, which he used to destroy the Phantom forever.