Revelation 16:13

13 Then I saw three evil spirits that looked like frogs coming out of the mouth of the dragon, out of the mouth of the beast, and out of the mouth of the false prophet.

Revelation 16:13 In-Context

11 They also cursed the God of heaven because of their pain and the sores they had, but they refused to change their hearts and turn away from the evil things they did.
12 The sixth angel poured out his bowl on the great river Euphrates so that the water in the river was dried up to prepare the way for the kings from the east to come.
13 Then I saw three evil spirits that looked like frogs coming out of the mouth of the dragon, out of the mouth of the beast, and out of the mouth of the false prophet.
14 These evil spirits are the spirits of demons, which have power to do miracles. They go out to the kings of the whole world to gather them together for the battle on the great day of God Almighty.
15 "Listen! I will come as a thief comes! Happy are those who stay awake and keep their clothes on so that they will not walk around naked and have people see their shame."
Scripture taken from the New Century Version. Copyright © 1987, 1988, 1991 by Thomas Nelson, Inc. Used by permission. All rights reserved.