Old Persian is one of two directly attested Old Iranian languages and is the ancestor of Middle Persian. Like other Old Iranian languages, it was known to its native speakers as ariya. Old Persian is
Close-up of the Behistun inscription
An Old Persian inscription in Persepolis
Bardiya or Smerdis, also named as Tanyoxarces by Ctesias, was a son of Cyrus the Great and the younger brother of Cambyses II, both Persian kings. There are sharply divided views on his life. Bardiya
Portrait of the Achaemenid ruler toppled by Darius, as appearing on the Behistun inscription: he was either the legitimate Bardiya, or, as claimed by Darius, an imposter named Gaumāta.
Gaumata under the boot of Darius the Great, from the Behistun inscription in Kermanshah
Phaedyme is sent by her father Otanes, to check if King Smerdis has ears under his turban, as the suspected imposter was known to have had them cut off in punishment for a crime. She found that indeed the king did not have ears anymore, which proved that he was an imposter, and justified the coup in favour of Darius I.
"The struggle between Gobryas and the false Smerdis", 19th century print.