A monstrous wild sow which ravaged the countryside of Crommyon in Greece, attacking animals and humans and causing great damage. It was slain by the hero Theseus.
- Euripides. Suppliants, 316.
- Plato. Laches p. 196, e.
- Plutarch. Theseus, 9.
- Smith, William. (1870). Dictionary of Greek and Roman Biography and Mythology. London: Taylor, Walton, and Maberly.