1 Peter 5:8

Be sober, be vigilant: your adversary, the devil, is walking about as a roaring lion, seeking whom he may devour:

Revelation 9:11

For they had a king over them, the angel of the bottomless pit, whose name, in the Hebrew language, is Abaddon; and in the Greek, he has the name Apollyon.

Treasury of Scripture Knowledge

Summary

Then went the devils out of the man, and entered into the swine: and the herd ran violently down a steep place into the lake, and were choked.

Bible References

The herd

1 Peter 5:8
Be sober, be vigilant: your adversary, the devil, is walking about as a roaring lion, seeking whom he may devour:
Revelation 9:11
For they had a king over them, the angel of the bottomless pit, whose name, in the Hebrew language, is Abaddon; and in the Greek, he has the name Apollyon.