Chernabog is the God of Evil in Slavic Mythology, and is the demon that resides on Bald Mountain, who wants to celebrate Walpurgis Night by calling forth restless spirits and demons and throws his minions into a hellish inferno. In Slavic Mythology, he is also known as The Black God, which is shown to him representing the Darkness of the Night.

Chernabog will first appear in Jaden's Adventures of Fantasmic! as one of the many villains to try and destroy Jaden and Mickey Mouse.