In a post on social media, the Pittsburgh-based language learning company declared that its mascot Duo ... especially since Duo is a cartoon character and not an actual owl.

"Our mascot was initially designed to encourage regular practice. But once the internet got their hands on him, he grew into a more complicated — even menacing — character with his own lore.

A TikTok video shared by the brand shows a person dressed up as the bird being carried away in a casket by other Duolingo app characters ... another noteworthy brand mascot, Mr. Peanut.

"Thirteen days after announcing the death of its beloved mascot, Pittsburgh-based language-learning app Duolingo announced ... mascot Duo and their other cast characters, including Falstaff ...