Who is the antichrist or antijesus

Who is the antichrist,Who is the antichristu
In Christian eschatology, the Antichrist or anti-Christ means a person, office, or group recognized as fulfilling the Biblical prophecies about one who will oppose Christ and substitute himself in Christ's place.
Masih ad-Dajjal (Arabic: literally "The Impostor"), is an evil figure in Islamic eschatology. He is to appear pretending to be Jesus at a time in the future, before Yawm al-Qiyamah