Matthew 7:15
"Look out for false prophets, who come to you under the guise of sheep, but inside they are devouring wolves.
2 Peter 2:12
These men, like irrational animals, mere creatures of instinct created to be caught and killed, abuse the things that they do not understand, and so by their corruption they will be destroyed, suffering wrong as punishment for their wrongdoing.
Revelation 19:20
Then the wild beast was captured and with him the false prophet who performed wonders in his presence, by which he led astray those who let the mark of the wild beast be put on them and worshiped his statue. Both of them were hurled alive into the fiery lake that burns with brimstone.