Twiggly the Gnome
Legend
Well tbh. the bible is also an awesome mythological source, still I would not include any of it into my games because some of my players are regular churchgoers and practicing Christians. If you want to use such sources you should to defamiliarize them at least to be on the safe side.
Yeah, the Forgotten Realms has at least three Christian pastiches, but they're not immediately evident.