Duolingo's mascot faked his death to get users to do their daily lessons, and attention from pop star Dua Lipa. Here's how he masterminded it — and why one expert sees the campaign as a success.

Duo’, the Duolingo mascot known for his guilt-tripping ways to get people to learn new languages, is dead. He was 3,025 years old. His death was confirmed by the language learning company’s social media accounts on Tuesday.

Two weeks after Duo the Owl's demise, Duolingo's language learning app's mascot admitted that "faking my death was a test."

Posts appeared on the company's social media accounts on Monday, declaring "Legends never die" and "Duo is back."

Why Duolingo or other brands looking to revitalize themselves may resort to publicly kill off their own mascots.

Duo was fatally hit by a Tesla Cybertruck, the language-learning company announced this week. The snarky owl has been the face of Duolingo for over a decade. Why his sudden demise, and what's next?

Duolingo’s owl mascot Duo, who met his demise on Feb. 11, has apparently survived his encounter with a Tesla Cybertruck after all. Duo was resurrected on the company's social channels Monday, with posts featuring a video of a person in a Duo mask and neon green suit busting out of a coffin,