Kay Bahman or Wahman is a mythological figure from the national history of Greater Iran. The stock epithet Kai identifies Bahman as one of the Kayanian kings of Iranian oral tradition.
Illustration of Kay Bahman in the Tekyeh Moaven al-molk in Kermanshah
Persian miniature: Bahman has Faramarz shot full of arrows in Kabul
Bahman and his horse are swallowed by a dragon. Darab-nama of Akbar, c. 1585.
Bahram Gur Fights the Horned Wolf, folio from the Great Ilkhanid Shahnama
Humay-ē Chehrzad was a legendary Kayanian dynasty queen of Iran for around 32 years. She was daughter and perhaps also wife of Kay Bahman.
Qajar-era illustration of Humay Chehrzad
IRAN Miniatur by UNESCO 1957