Eresh-Kigal is a word found in ancient Sumerian mythology, which refers to the queen of the underworld. Synonyms for the word Eresh-Kigal are aplenty, as several cultures and mythologies hold a belief in a similar character. For instance, the word Hecate, a goddess in Greek mythology, is also considered to be the queen of the underworld. Similarly, Roman mythology has a goddess called Proserpina, who is linked to the same realm. Other synonyms for Eresh-Kigal include The Morrigan from Irish mythology and Hel from Norse mythology. All these fictional characters represent the same idea of death and the afterlife.