Krampus (species)

The Krampus are the stuff of folklore. They feed on the negative emotions like fear and sadness, feelings they need in order to exist. Gaseous creatures they have been known to take the form of half man / half goat creatures with horns and a long thin red tongue not dissimilar to the Daemons. They have been known to create those feelings using a red psychic fog to separate people from their loved ones mentally. In the village of Hollograd the fog separated the parents and children – on Christmas Eve! - until the Eleventh Doctor was able to disperse the fog with the roof light of the TARDIS. (DWAM: Red Christmas)