[1] Their motto is Ludo Fore Putavimus ("We thought it would be fun").
[2] HPLHS produces a number of Cthulhu Mythos films, including the eponymous The Call of Cthulhu, as well as sound recordings, under its Mythoscope and Mythophone labels, respectively.
Originally a hobbyist group, HPLHS has become a for profit company dedicated to creating content faithful to the spirit of the Gothic 1920s source material but leavening it with some humour.
The HPLHS is the world's largest organization of Lovecraft enthusiasts, with members in more than fifty countries.
Lovecraft Historical Society has produced a series of Mercury Theatre-style radio dramas entitled "Dark Adventure Radio Theatre".