2. Ah Puch is the Mayan God of Death. ; Supay is the Incan God of Death ; Mictlantecutli is the Aztec God of Death ; while Masauwu is the Hopi God of Death

  3. Central America.

  4. Do note that while the nameless god of death has spread to Russia, I believe the author means that North America (North West Continent) is where their headquarters is located.