According to hadees,prophet Muhammad is said to have prophesied that the Masih ad-Dajjal would be the last of a series of thirty Dajjal or "deceivers" (false prophets).

Mohammed (PBUH) is reported to have said:

Allah is not one eyed while Messiah, Ad-Dajjal is blind in the right eye and his eye looks like a bulging out grape.[3]

Hadith attributed to Mohammed (PBHU) give many signs of the appearance of the Dajjal, and exhorted his followers to recite the first and last ten verses of Sura Al-Kahf, as protection from the trials and mischief of the Dajjal.

The following signs are ascribed to Ali in the coming of Dajjal:[7]