This is one of the weirder promotions done by an app in recent months. The company even made a video showing Duo being killed ...

Duo was fatally hit by a Tesla Cybertruck, the language-learning company announced this week. The snarky owl has been the ...

In a fun TikTok video, Duolingo's other characters, Lily and Zari, were seen carrying the owl's coffin around the office and ...

Duolingo has revealed Duo, its owl mascot, is dead, and video game devs have been rushing to claim their lead characters are ...