Abadon was an extradimensional entity enslaved and given human form by Mephisto and Mys-Tech. He was seemingly rescued by the Shadow Riders, but this was revealed as trap set by Porlock. He attacked the Shadow Riders due to Porlock's post-hypnotic programming. 
Powers and Abilities
Abadon is capable of manipulating energy for a variety of effects, including destructive energy blasts, forming impenetrable bonds, and other abilities.
- The character is most likely based on Abaddon.