Usually an indication that the shadow needs to be better integrated in the Self, or a reference to a onesided intellectual attitude like Mephistopheles’ in Faust.
A black devil represents darkness and death; a red devil is the messenger of light and passion, who is keeping close company with the wild.
A green devil represents nature, which usually appears in the form of a snake, cat, or goat (all are symbols for the Devil).
The Devil symbolizes the animal nature of human beings and their connection to the earth.
Like Ahriman (an ancient Persian version), the Devil is the antagonist of light, descended from the heavens in the form of a snake. In Hebrew he is Satan, representing the picture of evil lust; in the New Testament he is the antagonist of the church, embodying the absence of God among peoples. According to Irenaeus, a 3rd century Greek priest, the Devil is really an angel who has fallen because of his arrogance. As Lucifer (who brings light), the Devil is considered a creature of light. In Dante’s Divine Comedy, Lucifer has three heads, lives in the darkest parts of the earth, and is the opposite of the Holy Trinity. In the eyes of Christianity, almost all gods of native tribes were considered devils. In that sense the Devil also symbolizes everything that is natural, original, and has the spark of light.... Little Giant Encyclopedia
1- In previous times, the figure of the Devil was one to be feared and hated. As the wilder, more Pagan side of ourselves the conventional figure with horns and a tale will often appear in dreams. It is almost as though it has been given ‘life’ by the way that people concentrate on it. Once it is understood as something to be confronted. as something belonging to all of us, the Devil loses it potency.
2- As a personification of the evil side of ourselves, we often need to have an object to confront. In dreams, as in fantasies, the Devil allows us to do this.
If we fear our own wrongdoing, that fear can also manifest as the Devil.
3- fhe Devil is the personification of Evil, or Lucifer.... Ten Thousand Dream Dictionary
The devil tends to be seen as the personification of evil, or lucifer, who, incidentally, was originally supposed to bring enlightenment to the world. It does need to be borne in mind, however, that the devil also represents the ego, or part of us that refuses to ‘return to the light’.... Dream Meanings of Versatile