Revelation 16:13

And I saw, and out of the mouth of the dragon, and out of the mouth of the beast, and out of the mouth of the false prophet there came forth three unclean spirits, like frogs:

Revelation 19:20

And the beast was taken captive, and with him the false prophet, who had wrought signs before him, by which he deceived those who received the mark of the beast, and those who worshiped his image; both of whom were cast alive into the lake of fire which burned with brimstone.

Revelation 20:10

And the devil, who had deceived them, was cast into the lake of fire and brimstone, where the beast and the false prophet were: and they shall be tormented day and night for ages and ages.

2 Peter 2:1-3

But there were also false prophets among the people, even as there will be false teachers among you; who will privately introduce destructive sects, denying even the Lord who bought them, bringing on themselves swift destruction.

1 John 4:1-3

Beloved, do not believe every spirit, but try the spirits, whether they be from God; because many false prophets are gone forth into the world.

Revelation 12:3-4

And there appeared another sign in heaven; and, behold! a great fiery dragon, having seven heads and ten horns, and upon his heads seven crowns.

Revelation 12:9-13

And thus the great dragon was cast out; even the old serpent called the Devil, and Satan, who deceives the world, was cast out to the earth; and his angels were cast out with him.

Revelation 13:1-7

And I stood upon the sand of the sea, and saw a savage beast ascending out of the sea, having seven heads and ten horns; and upon its horns were ten diadems; and on its heads were the named of defamation.

Revelation 13:11-18

And I saw another beast ascending out of the earth, and it had two horns like a lamb: but it spoke like a dragon.

Revelation 16:14

for these are the spirits of demons, working miracles, which go forth to the kings of the whole world, to bring them together to the battle of that great day of God Almighty.

Revelation 18:2

And he cried with a mighty and a loud voice, saying, It is fallen! it is fallen! it is fallen! even Babylon the Great: and it is become the habitation of demons, and the hold of every unclean spirit, and a cage of every unclean and hateful bird:

Treasury of Scripture Knowledge

Summary

And I saw three unclean spirits like frogs come out of the mouth of the dragon, and out of the mouth of the beast, and out of the mouth of the false prophet.

Bible References

Three

Revelation 16:14
for these are the spirits of demons, working miracles, which go forth to the kings of the whole world, to bring them together to the battle of that great day of God Almighty.
2 Peter 2:1
But there were also false prophets among the people, even as there will be false teachers among you; who will privately introduce destructive sects, denying even the Lord who bought them, bringing on themselves swift destruction.
1 John 4:1
Beloved, do not believe every spirit, but try the spirits, whether they be from God; because many false prophets are gone forth into the world.

Come out of

Revelation 12:3
And there appeared another sign in heaven; and, behold! a great fiery dragon, having seven heads and ten horns, and upon his heads seven crowns.
Revelation 13:1
And I stood upon the sand of the sea, and saw a savage beast ascending out of the sea, having seven heads and ten horns; and upon its horns were ten diadems; and on its heads were the named of defamation.

The false

Revelation 19:20
And the beast was taken captive, and with him the false prophet, who had wrought signs before him, by which he deceived those who received the mark of the beast, and those who worshiped his image; both of whom were cast alive into the lake of fire which burned with brimstone.
Revelation 20:10
And the devil, who had deceived them, was cast into the lake of fire and brimstone, where the beast and the false prophet were: and they shall be tormented day and night for ages and ages.