Duolingo’s owl mascot, formally known as The Duolingo Owl, makes a surprise return Feb. 24, nearly two weeks after the language learning app shocked the world with the announcement of his “death.” ...

Those not caught up with the Jujutsu Kaisen manga may want to avoid the Duolingo social media account, as “Duo” the owl recreated a scene from it and shared it online. It uses the mascot costume for ...