Lycus (Lykos, Lycos, Ancient Greek: Λύκος, lit. 'wolf') may refer to: Mythology. Lycus (mythology), the name of numerous people in Greek mythology, including. Lycus (brother of Nycteus), a ruler of the ancient city of Ancient Thebes. Lycus (descendant of Lycus), son of Lycus (brother of Nycteus), appearing in Euripides's Heracles. Lycus, son of Poseidon. Rivers. Lycos or Great Zab, a river of Assyria, located in modern-day Turkey and Iraq. Lycus (river of Bithynia), flows into the Black Sea (Pontus Euxinus) near Heraclea Pontica.
https://en.wikipedia.org/wiki/Lycus