Language learning app Duolingo is known for having fun with its mascot, Duo. Once you've downloaded the app, if you stop using it, then Duo's features sometimes slowly melt in a look of disappointment ...

Duolingo has announced that its mascot — the iconic owl Duo — is dead. The Pittsburgh-based language learning app told the public the news via an “important message” on its social media pages.

Duolingo announced the death of their mascot, Duo. Screengrab from @Duolingo on X. A company announced that their mascot “died” and TikTokers don’t know if they should be grieving or celebrating.

Duolingo is saying goodbye to a legend. The language learning app revealed that its mascot Duo — formally known as The Duolingo Owl — has unexpectedly died for its latest brand marketing campaign.