Before the filming , Acorah had been fed misinformation about a non-existent ghost of Kreed Kafer by the show parapsychologist Dr. Ciaran O ' Keeffe . Before the filming , Acorah had been fed misinformation twice about the non-existent ghosts of Kreed Kafer and Rik Eedles by the show parapsychologist Dr. Ciaran O ' Keeffe .