Johnny Blaze is a fictional character and the original Ghost Rider in Marvel Comics. He is a motorcycle stunt performer who becomes bound to the Spirit of Vengeance after making a pact with the demon Mephisto to save his adoptive father. Transformed into Ghost Rider, Johnny becomes a skeletal figure engulfed in flames, wielding supernatural abilities to fight against evil. As Ghost Rider, Johnny struggles with his dual nature and seeks redemption while battling various demonic forces, revealing a complex and tortured hero within the Marvel universe.