Before becoming the Death Dealer, Gath was once a man, a tribeless barbarian who was raised in an uninhabited forest. His parents were murdered before his eyes as a child, and he managed to escape to the woods. He Became an experienced hunter and survivor by adolescence, by his adulthood stories had spread to the surrounding tribes.
Sometime later the forest and surrounding lands are invaded by a group of foreigners named the Kizzaks. Cobra a young girl who has heard stories of Gath and his savagery, tries to seek his help. While trying to convince him she falls in love and fearing for his death, Cobra decides to help him by giving him a helmet possessed by the god of death. She leaves an axe and the god possessed helmet, in the forest Once Gath touches it, the dark helmet had sprung forth tentacles and before he could realize what was happening, he was enveloped by the tentacles. The horned black helm's glowing red eye's fixed on it's host, and he could not fight its grip. Once enveloped the tentacles covered and entered his body, fusing the helm to him. The helmet gives Gath godlike abilities while also torturing him. He manages to gain help from various people he found in the forest, and learned to control the helmet. Gath then fights the Kizzak horde, as a one man army and wins.
Death Dealer was first created as a painting by Frank Frazetta and quickly became a pulp culture icon in its own right.
Since 1985, the Death Dealer has been the mascot of III Corps of the united states and a statue of him stands outside the III Corps headquarters building in Fort Hood, Texas.