4. A tyrant of Thebes, is likewise called by some a son of Poseidon, though Euripides (Here. ur. 31) calls him a son of Lycus (No. 2), but akes him come to Thebes from Euboea. In the a bsence of Heracles, L cus had attempted to destroy Megara and her children by Heracles, and killed Creon, king of Thebes, but on the return of Heracles he was killed by him. (Hyg. Fab. 32; Tzetz. ad Lycoph. 38.)