Signs preceding the reappearance of Imam Mahdi عليه السلام
Kitāb al-Ghayba|Volume 1|Book 1|Chapter 51
438- وروي عن النبي صلى الله عليه وآله [أنه] قال:يخرج بقزوين رجل اسمه اسم نبي، يسرع الناس إلى طاعته، المشرك والمؤمن، يملا الجبال خوفا.
H 438 - It is narrated from the Messenger of Allah صلى الله عليه وعلى آله وسلم that he said: “A man will rise up from Qazwin, whose name will be same as the name of a Prophet. People will make haste in accepting his authority; but the mountains will be full of disbelievers and believers due to his fear.”