Apparently there was some confusion over Friday's comic. Cthulhu is still outside. This guy is just a priest of Cthulhu.
The idea for this strip was in my head at the time, so I didn't want to just spoil it completely.
The priest of Cthulhu is what D&D dorks like me would call an illithid or mind flayer
. I thought the octopus people should stick together.