Duolinger is more than just a beneficial resource for those wanting to acquire a new language. It has also become popular with language aficionados. However, sadly, it seems that even this cherished platform also falls victim to the notorious Rule 34 principle.
Many have stumbled upon that Duolingo™ + 34th rule combo are out there. It could come as a surprise, but apparently, there are enthusiast-created artworks based on characters from Duolingo that follow the infamous guideline that states "if it exists, there is porn of it."

Rule 34 2d 2d artwork artist name artist signature ass