Nyx and Erebus

Often considered a perfect match, they appeared at the dawn of creation to embody the night sky They are parents to Ether (light) and Hemera (day), as well as many darker figures like Hypnos (sleep), Thanatos (death), and Eris (strife) While not defined by romantic myths like later gods, their union is viewed as an "essential partnership" or an eternal, loving relationship between primordial forces of nature They represent a powerful, ancient couple respected by even Zeus, who feared challenging them