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Ghast was a demon in Tartarus.
Ghast was in Tartarus, laughing as he watched his brothers Abnegazar and Rath fight over a bit of meat left on a bone, when suddenly Abnegazar was snatched away by Wonder Woman and Hawkgirl to aid in their search for Felix Faust.
The depicted subject bears the likeness of Ghast from the DC Comics; however, the DCAU character was never named on-screen, or otherwise. The title of this article is conjecture based on the character's likeness. Abnegazar, Rath and Ghast are known as The Demons Three. They ruled the galaxy a billion years ago, and have often been summoned by and connected with Felix Faust.