Amanojaku

Trivia

 * Amanojaku is a demon-like creature in Japanese folklore, capable of provoke a person's darkest desires.
 * His birthday falls on Halloween Day. He is also often called by Jack, which may be a reference to the Jack-o'-lantern.
 * Ghost Rider, his alias, is a reference to a character created by the Marvel Comics. Zarathos, the demon with who the protagonist shares his body, tortures and devours souls, much similar to Amanojaku's abilities.