About the 25:00 mark, Dolls mentions that he dealt with an Iblis in Kandahar. An Iblis is a figure appearing in the Quran.
This episode marks the first mention of the demon Mikshun/Mictian. While using the Obsidian mirror to attempt to summon August Hamilton, Dolls answers one of the whispering voices by this name. It is not seen or mentioned again until the season finale when it infects Waverly.