carrying on my research about where the devil come from i came across a pagan god called Pan who the devil adopted some of his features from.
Pan is a god of the wild, a lover of music, passion, an seen as a god of fertility.

christian leaders see him as a threat who must be discredited, and they make him out to be some sort of demon, where in fact hes a god of happiness music and love making, and should be altogether love but then become a kind of goat legged demon in the christian version. and from then Satan adopts pans goat like features.