A dark interpretation of a mythical creature known in Ireland as "An fear Gorta" (the famine man).
Summary of fear Gorta
A fae (sídhe) spirit that comes during times of great famine. It would be commonly go to travellers seeking nourishment. If turned away or unable to sate the being, He would kill you. Often arises from a patch of unhealthy grass , also know as "hungry grass"