Revelation 12:3-4
Another portent also was seen in the heavens There was a great red Dragon, with seven heads and ten horns, and on his heads were seven diadems.
Revelation 12:16-17
But Earth came to her help, and opened her mouth and drank up the river which the Dragon had poured out of its mouth.
Revelation 13:2
The Beast that I saw was like a leopard; but its feet were like a bear's, and its mouth like the mouth of a lion. The Dragon gave it his power and his throne, and wide dominion.
Revelation 13:4
and men worshiped the Dragon, because he had given his dominion to the Beast; while, as they worshiped the Beast, they said-- 'Who can compare with the Beast? and who can fight with it?'
Revelation 13:11
Then I saw, rising out of the earth, another wild Beast. It had two horns like those of a lamb, and its voice was like a dragon's.
Revelation 16:13
And I saw three foul spirits, like frogs, come from the mouth of the Dragon and from the mouth of the Beast and from the mouth of the false Prophet.
Revelation 20:2
He seized the Dragon, the primeval Serpent (who is the 'Devil' or 'Satan'), and bound him in chains for a thousand years.