ChristianAnswers.Net WebBible Encyclopedia
They recognize our Lord as the Son of God (Matthew 8:20; Luke 4:41). They belong to the number of those angels that “kept not their first estate,” “unclean spirits,” “fallen angels,” the angels of the devil (Matthew 25:41; Rev. 12:7-9). They are the “principalities and powers” against which we must “wrestle” (Ephesians 6:12).
The word demon(s) does not appear in the King James Bible, which uses the word “devils” instead. The New King James Bible uses the word “demon(s)” in 72 verses.
Do all demons (devils) fear the one true God? Yes. (James 2:19)