2 Peter 2:1
But false prophets also arose among the people, just as there will also be false teachers among you, who will secretly introduce destructive heresies, even denying the Master who bought them, bringing swift destruction upon themselves.
Revelation 2:20
Nevertheless I have this against you, that you tolerate the woman Jezebel, who calls herself a prophetess and is teaching and beguiling my servants to practice sexual immorality and to eat food sacrificed to idols.
Revelation 19:20
And the beast was captured, and with him the false prophet who had performed the signs in his presence, by which he deceived those who had received the mark of the beast and those who worshipped his image. These two were thrown alive into the lake of fire which burns with sulfur.