see also: Mythical character archetypes on Lost * The Hatch: The Otherworld. The hatches act as an Otherworld--they are underground, have sophisticated, unknown technologies, and are home to both Survivors and Others, just as the Celtic sidhe could house both Good (Seelie) and Bad (Unseelie) fairies. * In "Further Instructions", following the System Termination, each inhabitant of The Swan is in the role of a different sort of spiritual leader: Eko, the priest; Locke, the shaman, and Desmond, the prophet. * The odd "scream" often heard in visions (in Locke's, on their way to the caves and numerous times in the "dark territory") alludes to the Celtic/British myth of the Banshee. - (woman of the hills) is a spirit or fairy in Irish Folklore who presage a death by wailing. She is