Psalms, torah, evangel… Singly religion which it’s heavenly courses didn’t mutilate or revolve, is “Islam”. Islam’s behest and saviour, nee ‘Mahdi’ unto shiaa and sunna. ‘Mahdi’ (whom peace be upon him) is his most famous agnomen.

Imam Bagher (Pbuh) declares about it: “Certainly he called ‘Mahdi’ due to he is conducted via a hidden matter. He will unweave torah and other holy writs frome a cave in Antiochia.
)Ketab-o-lghaybah: Absenteeism Writ, v2, p237; Elal-o-sharayee: Gnomons’s Reasons, v1,p161)