Revelation 12:9
9 And the great dragon was zthrown down, athat ancient serpent, who is called the bdevil and Satan, the cdeceiver of the whole world—he was thrown down to the earth, and his angels were thrown down with him.
Revelation 20:2
2 And he seized qthe dragon, rthat ancient serpent, who is the sdevil and tSatan, and bound him for a thousand years,