Duolingo is a ubiquitous tool for language learning these days. It's also become a source of endless laughter thanks to its pushy mascot, Duo, the Owl. Duo encourages language learners to get the job done, sometimes being a little aggressive in his approach.

Sometimes, Duo uses guilt to get you to realize just how important practicing your language of choice is. If you wait until the end of the day, Duo will be there glaring as the clock ticks toward midnight. With millions of users, there are a lot of people who are familiar with and find humor in Duolingo's mischievous ways.

In fact, Duo has inspired countless parody accounts across social media that embrace the Duolingo jokes, Duolingo memes, and the insanity that is constant reminders to practice and advance.

From the ever-so-slightly forceful reminders to emphasizing the importance of consistent learning, Duo's been known to line step. His demeanor has made for some amazing Duolingo memes. Here are some of the best Duolingo memes and jokes.