Matthew 24:5
For many will come in my name, saying, 'I am the Christ,' and will deceive many.
Matthew 24:11
And many false prophets will rise up and deceive many.
Matthew 24:24
For false christs and false prophets will arise and show great signs and wonders to deceive, if possible, even the elect.
1 John 2:18
Little children, it is the last hour; and as you have heard that the Antichrist is coming, even now many antichrists have come; by this we know that it is the last hour.
John 5:43
I have come in my Father's name, and you do not receive me; if another comes in his own name, him you will receive.
Acts 5:36-37
For some time ago Theudas rose up, claiming to be somebody, and a group of about four hundred men joined him. But he was killed, and all who followed him were dispersed and came to nothing.
Acts 8:9-10
Now there was a man named Simon, who had formerly practiced magic in the city and amazed all the people of Samaria. He boasted that he was someone great,
Revelation 13:8
and all who dwell on earth will worship it, every one whose name has not been written from the foundation of the world in the book of life of the Lamb that was slain.