Huldu-Elder
Not independently attested in Icelandic tradition. 'Huldu-Elder' appears a modern invention elaborating on huldufólk ('hidden people') belief. Jón Árnason (1862) describes huldufólk as parallel society in cliffs/valleys, but no distinct 'elder' leader with silver-grey mist-robes and timeless wisdom is documented. Concept of elder council may derive from later literary or neopagan elaboration.