The little horn, the prince who shall come, the Antichrist, the revealed man of sin, the beast - is all one person, at different times in his life.
It is a progression (not in a good way).
first as the little horn - leader of the EU.
then following Gog/Magog - as the prince who shall come.
then he is anointed the King of Israel - to become the Antichrist.
then he reveals himself as the man of sin - ending his time as the Antichrist.
then he is killed and brought back to life as the beast - dictator of the EU, his kingdom, and that of the ten kings of Revelation 17:18.
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The person, you are calling the Antichrist, is a separate person from the false prophet.
The Antichrist person will come out of the nations, specifically the EU.
Differently, the false prophet will come out if Israel (and will for a while, will be thought by the Jews to be the prophet Elijah).