Variations: Giolcam-daoram
The Gigelorum or Giolcam-daoram is the smallest of all known creatures. It makes nests in the ears of mites, and as no description of it has been given, any depiction of it will be purely conjectural.
References
Campbell, J. G. (1900) Superstitions of the Highlands and Islands of Scotland. James MacLehose and Sons, Glasgow.
Robinson, M. (1965) Some Fabulous Beasts. Folklore, Vol. 76, No. 4, pp. 273-287.