The rumors are true. Duolingo's iconic mascot, known for his silly antics, has passed on. The language-learning app Duolingo announced on Tuesday that its make-believe mascot, Duo the Owl ...

Duo, Duolingo’s owl mascot—a creature that grew so tired of reminding you to practice your French he caught an awful flu—will now be hounding you to get your damn hands on those piano keys ...