many.

2 Peter 2:1-3
Now there were also false prophets among the people, just as there will be false teachers among you. They will secretly introduce destructive heresies that even deny the Master who bought them, bringing swift destruction on themselves. . . .

1 John 2:18-22
Children, it is the last hour; and just as you have heard that the antichrist is coming, so now many antichrists have appeared. This is how we know that it is the last hour. . . .

1 John 4:1
Beloved, do not believe every spirit, but test the spirits to see whether they are from God. For many false prophets have gone out into the world.

who.

John 1:14
The Word became flesh and made His dwelling among us. We have seen His glory, the glory of the one and only Son from the Father, full of grace and truth.

1 Timothy 3:16
By common confession, the mystery of godliness is great: He appeared in the flesh, was vindicated by the Spirit, was seen by angels, was proclaimed among the nations, was believed in throughout the world, was taken up in glory.

1 John 4:2
By this you will know the Spirit of God: Every spirit that confesses that Jesus Christ has come in the flesh is from God,

Revelation 12:9
And the great dragon was hurled down--the ancient serpent called the devil and Satan, the deceiver of the whole world. He was hurled to the earth, and his angels with him.

Revelation 13:14
Because of the signs it was given to perform on behalf of the first beast, it deceived those who dwell on the earth, telling them to make an image to the beast that had been wounded by the sword and yet had lived.

This is.

1 John 2:22
Who is the liar, if it is not the one who denies that Jesus is the Christ? This is the antichrist, who denies the Father and the Son.

1 John 4:3
and every spirit that does not confess Jesus is not from God. This is the spirit of the antichrist, which you have heard is coming, and is already in the world at this time.