>>36923674The symbol on it's head when combined with it's eyes is also used for sulfur. It's also a satanist symbol as Leviathan's Cross and games like The Binding of Isaac also use it as the symbol for the Brimstone (being a word that refers to sulfur) item which you get from deals with the devil.
In other words, it's actually the main thing that told you it'd be a Dark-Type because it was actually highly evil related being tangentially sulfur related as a result.
