Huldufólk (Hidden People)

No single canonical origin is given across sources; the corpus records multiple, regionally variant origin accounts reflecting syncretism. Some strands treat huldufólk as continuations or euphemistic renamings of Old Norse álfar; other narratives interpret them through Christianized frames (e.g., connections to hidden children of Eve, Lilith, or fallen angels). Scholarly commentary also describes a blending of Norse and Celtic settler beliefs (e.g., Norse álfar and Irish hill‑fairies) that produced the later huldufólk concepts.

Generally reported to look and behave much like humans and often described in human terms; they inhabit nature and may dwell in mounds, rocks, mountains, forests, or water. Regional specifics vary: a 19th‑century Icelandic account claimed a convex philtrum as a distinguishing trait, while Faroese folktales describe them as large in build, wearing grey clothes with black hair. Their defining feature in many sources is the capacity for concealment — they inhabit a parallel unseen world and can make themselves visible at will.

Huldufólk are place‑bound personlike beings who can interact with humans, negotiate or retaliate when their sites are disturbed, and control visibility (appearing or remaining hidden at will). Folktales depict a range of temperaments across the category—some hidden people assist or side with humans, others punish offenders or defend landscapes. Traditions emphasize avoidance, respect, and offerings rather than formulaic magical combat; there is no documented, uniform corpus of protective or exorcistic rites in the supplied sources.