1- The word “Dajjal” became a title given to the lying, one-eyed, false messiah. The Dajjal is so called because he will conceal his kufr from the people by lying to them, deceiving them and confusing them. 2- The Dajjal (al-Masih al-Dajjal) is the liar who leads people astray, the messiah of misguidance who will tempt people by means of the signs that he is given, such as bringing down rain, reviving the earth to bring forth vegetation, and other “miracles.” For more, see the detailed answer.

Gog and Magog will emerge in huge numbers and spread mischief on earth and no one will be able to resist them. The Antichrist will spread corruption on earth and will claim divinity, calling on people to worship him. The Beast will speak to mankind and exhort them, having the ability to reason and speak

Yajuj and Majuj are two huge nations of the sons of Adam. They exist at present, and they are attempting on a daily basis to get out and attack people. For more, see the detailed answer.