Question: who is mephistopheles in the play dr faustus?
Answer: Mephistopheles, also called Mephisto, familiar spirit of the Devil in late settings of the legend of Faust. It is probable that the name Mephistopheles was invented for the historical Johann Georg Faust (c. 1480–c. 1540) by the anonymous author of the first Faustbuch (1587).