（*)Aristi/wn), a philosopher either of the Epicurean or Peripatetic school, who made himself tyrant of Athens, and was besieged there by Sulla, B. C. 87, in the first Mithridatic war. His early history is preserved by Athenaeus (v. p. 211, &c.), on the authority of Posidonius of Apameia, the instructor of Cicero.
By him he is called Athenion, whereas Pausanias, Appian, and Plutarch agree in giving him the name of Aristion. Casaubon on Athenaeus (l.c.) conjectures that his true name was Athenion, but that on enrolling himself as a citizen of Athens, he changed it to Aristion, a supposition confirmed by the case of one Sosias mentioned by Theophrastus, whose name was altered to Sosistratus under the same circumstances. Athenion or Aristion was the illegitimate son of a Peripatetic, also named Athenion, to whose property he succeeded, and so became an Athenian citizen.
He married early, and began at the same time to teach philosophy, which he did with great success at Messene an