H 463 - It is narrated from Fadhl from Ismail bin Ayyash from Amash from Abu Wael from Huzaifah that he said
I heard the Messenger of Allah (s) say when Imam Mahdi (a.s) was mentioned in his presence: “Indeed his allegiance will be given between Rukn and Maqam. He has three names: Ahmad, Abdullah and Mahdi.”