German folklore
Mephistopheles (, ; also "Mephistophilus, Mephostopheles, Mephistophilis, Mephisto, Mephastophilis," and other variants) is a demon featured in German folklore. He originally appeared in literature as the demon in the Faust legend, and he has since appeared in other works as a stock character (see: Mephistopheles in the arts and popular culture).