DemiSkullmon is a fan-made Digimon. He is also Gon's Digimon Partner and he is like his twin brother, Jackmon. He carries the "Nightmare Net", an object that functions like a dream catcher. His Nightmare Net could also separate a digimon from his body, and he uses it only on evil digimon.
Nightmare Attack: Gathers all of the opponent's nightmares and unleashes them at the opponent.
Spirit Separation: Separates the opponent from his body.