Revelation 9:11

And they had a king over them, who is the angel of the bottomless pit, whose name in Hebrew tongue is Abaddon, and in Greek, Apollyon meaning destroyer.

Ephesians 2:2

in which in time past ye walked according to the course of this world, according to the will of the prince of the power of this air, the spirit that now works in the sons of disobedience,

Job 26:6

Sheol is naked before him, and hell has no covering.

John 8:44

Ye are of your father the devil, and the desires of your father ye desire to do. He was a murderer from the beginning and abode not in the truth because there is no truth in him. When he speaks a lie, he speaks of his own, for he is a liar and the father of it.

John 12:31

Now is the judgment of this world; now shall the prince of this world be cast out.

John 14:30

Hereafter I will not talk much with you, for the prince of this world comes and has nothing in me.

John 16:11

of judgment, because the prince of this world is judged.

2 Corinthians 4:4

In whom the god of this age has blinded the understanding of those who do not believe, that the light of the gospel of the glory of the Christ, who is the image of God, should not shine in them.

1 John 4:4

Ye are of God, little children, and have overcome them because greater is he that is in you than he that is in the world.

1 John 5:19

And we know that we are of God, and the whole world lies in wickedness.

Revelation 9:1-2

And the fifth angel sounded the trumpet, and I saw a star fall from heaven unto the earth; and to him was given the key of the bottomless pit.

Revelation 12:9

And the great dragon was cast out, the serpent of old, who is called Devil and the Satan, who deceives the whole world; he was cast out into the earth, and his angels were cast out with him.

Treasury of Scripture Knowledge

Summary

And they had a king over them, which is the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, but in the Greek tongue hath his name Apollyon.

The angel

Abaddon

Bible References

They had

Revelation 12:9
And the great dragon was cast out, the serpent of old, who is called Devil and the Satan, who deceives the whole world; he was cast out into the earth, and his angels were cast out with him.
John 12:31
Now is the judgment of this world; now shall the prince of this world be cast out.
John 14:30
Hereafter I will not talk much with you, for the prince of this world comes and has nothing in me.
John 16:11
of judgment, because the prince of this world is judged.
2 Corinthians 4:4
In whom the god of this age has blinded the understanding of those who do not believe, that the light of the gospel of the glory of the Christ, who is the image of God, should not shine in them.
Ephesians 2:2
in which in time past ye walked according to the course of this world, according to the will of the prince of the power of this air, the spirit that now works in the sons of disobedience,
1 John 4:4
Ye are of God, little children, and have overcome them because greater is he that is in you than he that is in the world.
1 John 5:19
And we know that we are of God, and the whole world lies in wickedness.

The angel

Revelation 9:1
And the fifth angel sounded the trumpet, and I saw a star fall from heaven unto the earth; and to him was given the key of the bottomless pit.

Abaddon

John 8:44
Ye are of your father the devil, and the desires of your father ye desire to do. He was a murderer from the beginning and abode not in the truth because there is no truth in him. When he speaks a lie, he speaks of his own, for he is a liar and the father of it.