A Dracon that was terrorizing the island of Salamis. There are two versions about how it was defeated. According to Apollodorus, the hero Cychreus killed the monster, after which he became the king of the island (Bibliotheke III, 161). Strabo however states that -- according to Hesiod -- the serpent was reared by Cychreus from which it took its name. It was driven out by Eurylochus and welcomed to Eleusis by Demeter and made her attendant (Geography IX, 1.9).