Wow, I had completely forgot I had this one still unpublished!
It's yet another commission by Sans détour éditions, ( www.sans-detour.com ) for an expansion for the french Edition for the Call of Cthulhu tabletop Roleplaying game.
Again, a lot of the new creatures in this book are Lovecraftian riffs on classic mythological creatures from Greek,Celtic and roman mythology, as Marseille has been a meeting point of these three cultures.
This charming lady is a sort of bogeyman from the Folklore of southern France. It was a way for parents to scare children off of dangerous places, and is described sometimes as a toothless crone or a bat, or a dragon. the pitch I was given was a combination of all of these Ideas.