Revelation 12:3-4
Then another portent was seen in heaven! There was a huge red dragon, with seven heads and seven horns and seven diadems upon his heads;
Revelation 12:16-17
but the earth came to the rescue of the woman, the earth opened its mouth and swallowed up the river that the dragon had poured out of his mouth.
Revelation 13:2
The Beast I saw resembled a leopard, his feet were like a bear's, and his mouth like a lion's. To him the dragon gave his own power and his own throne and great authority.
Revelation 13:4
worshipping the dragon for having given authority to the Beast, and worshipping the Beast with the cry, "Who is like the Beast? Who can fight with him?"
Revelation 13:11
Then I saw another Beast rising from the land; he had two horns like a lamb, but he spoke like a dragon.
Revelation 16:13
Then I saw issuing from the mouth of the dragon and from the mouth of the Beast and from the mouth of the false Prophet, three foul spirits like frogs ??14 demon-spirits performing miracles, who come out to muster the kings of the whole world for battle on the great Day of almighty God.
Revelation 20:2
he gripped the dragon, that old serpent (who is the devil and Satan), and bound him for a thousand years,