Revelation 12:3-4
And another sign was seen in heaven; and behold a great red dragon, having seven heads and ten horns, and seven diadems on his heads.
Revelation 12:16-17
But the earth helped the woman, and opened her mouth, and swallowed up the river which the dragon had cast out of his mouth.
Revelation 13:2
And the wild beast which I saw was like a leopard, and his feet were as the feet of a bear, and his mouth as the mouth of a lion; and the dragon gave him his power and his throne and great authority.
Revelation 13:4
because he gave the authority to the wild beast; and worshiped the wild beast, saying, Who is like the wild beast? and who can war with him?
Revelation 13:11
And I saw another wild beast coming up out of the earth, and he had two horns like a lamb, but he spake like a dragon;
Revelation 16:13
And I saw out of the mouth of the dragon, and out of the mouth of the wild beast, and out of the mouth of the false prophet, three unclean spirits like frogs (They are spirits of devils,
Revelation 20:2
And he laid hold on the dragon, the old serpent, who is the devil and Satan, and bound him a thousand years,