Duolingo® is not just a beneficial resource for those looking to pick up a new language. It has also captivated the interest of language lovers. However, unfortunately, it seems that even this popular platform also falls victim to the controversial Rule 34 phenomenon.
Many have found that Duolinger + 34th rule combo exist out there. It might come as a surprise, but ostensibly, there are user-generated artwork based on figures from Duolingo that follow the infamous guideline stating that "if it exists, there is porn of it."

duolingo rule 34