Şehname ‘deki ayrıntılar da bu yoldadır. Alp Er Tunga or Alp Er Tonğa [1] ( Alp "brave, hero, conqueror, warrior", [2] Er "man, male, soldier, Tom", [3] Tonğa "Siberian tiger") is a mythical Turkic hero who was mentioned in Mahmud al-Kashgari 's Dīwān Lughāt al-Turk, Yusuf Balasaguni 's Kutadgu Bilig and in the Vatican manuscript of Oghuznama by an unknown writer. [4].