Hun, I've known more about them than you ever will BEFORE they hit they map in 1979.
You've SEEN me dance around people here with everything from this, to why it's SUNNI Arab terrorists and not Shia Iranic, to the roots of the Iranina Revolution, to the REAL origin and cause of the Shiite split from Islam, to the Zoroastrian Mithra's template for Jesus, Cyrus the Great, the first Messiah and the ONLY Gentile one, to their original REAL Aryani origins, Caucasus origins, and back to their Cro Magnum and Neanderthalic roots, so shush.
FREE BONUS: Ask an Iranian what "Shush" means fer shit n gigglez.