The deceiver of Christianity, and the real antichrist spirit , is a Talmudic Judaism that continues to deny the only Messiah they will ever get.
1 John 2:22King James Version (KJV)
22 Who is a liar but he that denieth that Jesus is the Christ? He is ANTICHRIST, that denieth the Father and the Son.
1 John 4:3King James Version (KJV)
3 And every spirit that confesseth not that Jesus Christ is come in the flesh is not of God: and this is that SPIRIT OF ANTICHRIST, whereof ye have heard that it should come; and even now already is it in the world.
2 John 1:7King James Version (KJV)
7 For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an ANTICHRIST.