Scottish-Terror wrote: no - he's NOT the embodiment of ALL evil in his setting nor is he a demon / alien that feeds on Christian depictions of the Devil to gather mortal fear or devotion (as beings like Pazuzu or Mephisto do).
Bill is a Lovecraftian Demon who is surreal and alien in design, he has no connection to Satan nor does he pretend to.
Uh, he is a demon.