(adj.adj.) : Echīon, ŏnis, m.
* One of the heroes who sprang up from the dragon's teeth sown by Cadmus; the husband of Agave and father of Pentheus, Ov. M. 3, 126; 10, 686; Stat. Th. 4, 569; Hyg. Fab. 178.—Hence: Echione natus, for Pentheus, Ov. M. 3, 526.
* Derivv.
* A son of Mercury, an Argonaut, and a sharer in the Calydonian hunt, Ov. M. 8, 311; Hyg. Fab. 14.—Hence
* Echīŏnĭus, a, um, adj., meton. for Cadmean or Theban: hydrus,i. e. killed by Cadmus,Val. Fl. 8, 343: dens,id. 7, 554: aula,id. 7, 301; cf. arces,Ov. Tr. 5, 5, 53: nomen,Verg. A. 12, 515; cf. plebs,Stat. Th. 1, 169: Bacchus,Pall. Insit. 45.
* A celebrated Greek painter, Cic. Par. 5, 2, 37; id. Brut. 18, 70.

Male Personal name
Confirmed occurences in the Roman Empire:

• Echion (Masc), ref: PIR E 0002 | PIR ID5482