1 Corinthians 10:20-21

But what the gentiles sacrifice, they sacrifice to demons, and not to God; and I do not wish you to be partakers with demons.

1 Timothy 4:1

But the Spirit says expressly, that in the last times some shall apostatize from the faith, attending to lying spirits and doctrines of demons,

Treasury of Scripture Knowledge

Summary

And he ordained him priests for the high places, and for the devils, and for the calves which he had made.

Bible References

For the devils

1 Corinthians 10:20
But what the gentiles sacrifice, they sacrifice to demons, and not to God; and I do not wish you to be partakers with demons.
1 Timothy 4:1
But the Spirit says expressly, that in the last times some shall apostatize from the faith, attending to lying spirits and doctrines of demons,