Revelation 12:3-4
And another marvel was seen in Heaven--a great fiery-red Dragon, with seven heads and ten horns; and on his heads were seven kingly crowns.
Revelation 12:16-17
But the earth came to the woman's help: it opened its mouth and drank up the river which the Dragon had poured from his mouth.
Revelation 13:2
The Wild Beast which I saw resembled a leopard, and had feet like the feet of a bear, and his mouth was like the mouth of a lion; and it was to the Dragon that he owed his power and his throne and his wide dominion.
Revelation 13:4
And they offered worship to the Dragon, because it was to him that the Wild Beast owed his dominion; and they also offered worship to the Wild Beast, and said, "Who is there like him? And who is able to engage in battle with him?"
Revelation 13:11
Then I saw another Wild Beast, coming up out of the earth. He had two horns like those of a lamb, but he spoke like a dragon.
Revelation 16:13
Then I saw three foul spirits, resembling frogs, issue from the mouth of the Dragon, from the mouth of the Wild Beast, and from the mouth of the false Prophet.
Revelation 20:2
He laid hold of the Dragon--the ancient serpent--who is the Devil and the Adversary, and bound him for a thousand years, and hurled him into the bottomless pit.