The first supernatural Ghost Rider is stunt motorcyclist Johnny Blaze, who, in order to save the life of his mentor, agreed to give his soul to "Satan" (later revealed to be an arch-demon named Mephisto). Instead, his soul bonded with the entity called Zarathos. When utilizing Zarathos' powers Blaze's flesh is consumed by hellfire, causing his head to become a flaming skull, and he wields a fiery motorcycle and trademark blasts of hellfire from his skeletal hands. He starred in the series from 1973-1983.
The subsequent Ghost Rider series (1990-98) featured Daniel Ketch as a new Ghost Rider. After his sister was injured by ninja gangsters, Ketch came in contact with a motorcycle which had somehow been mystically enchanted to contain the essence of a "Spirit of Vengeance." This spirit had originally been a Puritan man named Noble Kale, an ancestor of both Blaze and Ketch. Johnny Blaze reappeared in this series as a supporting character and was revealed to be Ketch's brother.