Duo the Duolingo owl’s life may be over, but his memory lives on. The popular language app announced the death of its mascot on Tuesday, prompting both grief and relief from aspiring language learners across the world.

PITTSBURGH (KDKA) — The Duolingo Owl is dead, according to a statement from the Pittsburgh-based company. Duolingo's owl mascot has become a memeable internet sensation for the way some users of the language learning app think he threatens them to do their lessons.

As the world is mourning the loss of Duolingo’s iconic owl mascot, major game companies share their theories about what happened to the owl.