Incubus (DC)

Incubus is a DC comics supervillain and mystical enemy of the Suicide Squad, he is the brother of the superhero known as Nightshade - both of whom originate from an other-worldly dimension known as the Land of the Nightshades.

Incubus usurped the Land of the Nightshades from his sister at some point and thus began his career as a villain.

Abilities
within the Land of the Nightshades Incubus exhibits vast supernatural powers allowing him to manifest almost any superhuman ability and warp reality to his will.

Trivia

 * he shares similarities in themeing to entities such as Marvel's Nightmare or DC's own Eclipso, being entities of darkness and vast power.