Hunson Abadeer is a demon, and the ruler of a hell-like dimension known as the Nightosphere. He is also the father of Marceline the Vampire Queen.His
Powers and Abilities
Hunson Abadeer can consume the souls of other beings through his mouth, increasing his own power
Hunson Abadeer's powers come from the Night-o-sphere amulet he wears that fills its user with chaotic evil that he seems to be the only one to control this as both Finn and Marceline have worn the amulet and have gone insane with power.