He's just a baby right now, believed to be a boy, somewhere in Western Europe, possibly French. Within a few years he will be taking over the world and seizing power. We've heard of this event happening for many years.
In fact this conspiracy theory has been going on since St. John the Divine wrote the Revelation that, "The End Is Near" The Great Tribulation, Armageddon and the second coming of Jesus, a Christian concept.
The AntiChrist has been mentioned in the New Testament, "5 times" in the Epistles of John. Another word for AntiChrist is PseudoChrist, mentioned by Jesus in the Gospels.
For false messiahs and false prophets will appear and
produce great signs and omens, to lead astray, if
possible, even the elect.
—Matthew 24:24 and Mark 13:22 NRSV (1989)
Since the advent of the Internet and other global communications this theory has blossomed exponentially and many people have become paranoid that the AntiChrist will use it to control the entire world.
The AntiChrist will be 30 years of age when he takes over the world as numerologists predict, symbolically the same as Jesus did when he began his ministry and will reign over the earth for 3 1/2 years before he is killed by the real Jesus. This is when the "Second Coming of Jesus Christ" will happen.
Terrorism, the U.S. in the middle of world political unrest, the fact that every Arab Nation hates Israel, its all falling into place.
Get prepared, the AntiChrist is born, bearing the number 666, the Number of the Beast.