Gaueko, the Lord of the Night, of the oldest mythic stratum, who rules the dark and punishes those who work or boast outdoors at night ('the night for the one of the night, the day for the one of the day'). No genealogy is attested — see SOLITARY flag. Documented by Barandiarán (secondary).
Domains
night and darkness
Powers
Claim the night for himself and forbid outdoor work and boasting after dark
Punish those who flaunt courage in the dark, striking as a gust of wind, a cow, or a monster
Sources
J. M. Barandiarán, Diccionario ilustrado de mitología vasca, s.v. Gaueko
J. Caro Baroja, Los vascos (1949), on night-genii of Basque belief