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 appear in Jeffrey & Friends in Fantasmic!.
- Chernabog will become Jeffrey's enemy in Jeffrey & Friends' Storm Adventures of Fantasia.
- Hewy Lewis Toonmore gave some description that he was once depicted as the Devil.