Michael S. Rose
Poe uses the doppelgänger motif as a physical manifestation of Wilson’s conscience and ultimately shows the demise of a man who, blinded by his sins, kills his own conscience.
For the original vampire slayers, most of them nominal Anglicans, the efficacy of Catholic sacramentals and the Sacrament quickly becomes apparent.
Once Faustus takes possession of Mephistophilis as his servant, it becomes apparent that the Devil isn’t so much serving as manipulating him.
- Karl Keating