Jack O Slasher 2012 Jack O Slasher is a demon from hell who is summoned to aid a cult of sinful Satanists to resurrect the Devil It is a Halloween horrorcomedy film with hilarious jokes and gory kill scenes Jack O Slasher just cant wait until the ritual to start the killing He is a demon with a head full of rotten pumpkin seeds and an uncontrollable blood lust Make up and Effects by John Paul Classi and Richard Delgado Film Score by Samuel Oswald Stone Additional Music by Bradley Creanzo, RIP Graves, Lies Beneath, Mutant Supremacy, The Saints of Pain, Trial by Terror, Demon Boy, Nightmare Machine, and Thorn Constellation