According to religion and mythology a demon is a supernatural being that has generally been described as a malevolent spirit - so for christians a demon is a falled Angel who has not followed God. A demon is frequently depicted as a force that may be conjured and insecurely controlled.

The Greek conception of a daemon appears in the works of Plato and many other ancient authors, but without the evil connotations which are apparent in the Septuagirit translation of the Hebrew Bible and in the Greek originals of the New Testament.

The supposed existence of demons is an important concept in many modern religions and occultist traditions. In some present-day cultures, demons are still feared in popular superstition, largely due to their alleged power to possess living creatures......