a Roman eques, whom Cicero calls an unlearned rabulist, but a very fluent and shrewd speaker. (Brut. 48). A different person of the same name is ridiculed by Horace. (Sat. 1.2. 27, 4. 92.) It must be observed that in many MSS. and editions his name is written Gorgonius instead of Gargonius. There is also a rhetorician of the name of Gargonius or Gorgonius (some read Gargius), who is mentioned by Seneca, but is otherwise wise unknown. (Controv. 1.7, 4.24, Suasor. 7.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890