Chernabog

"An ancient demon that feeds on evil. It seeks out the heart with the greatest potential for darkness and devours it."

- Rumplestiltskin to Cruella, Maleficent and Ursula

The Chernabog is a character on ABC's Once Upon a Time. It débuts, with its only appearance, in the twelfth episode of the fourth season.

The Chernabog is based on the character of the same name from the Disney film, "Fantasia".