Name: Muhammad al-Mahdi (May Allah hasten his unveiling!)

Mother: Ummul Walad Narjis alias Saiqal

Kunniyat: Abu ‘Abdullah, Abu al-Qasim

Laqab: Al-Qaim, Al-Muntazar, Al-Khalaf, Al-Mahdi, Sahib al-zamaan

Birth: He was born at Samarrah in the year 255 A.H. He is the last Imam (a.s.) and he is alive and hidden