Duo the Owl died in 2025. Here’s how Duolingo users revived the famous mascot.

From the desk of Miles Everson:

I’m thrilled to talk about another campaign in today’s “Gorillas of Guerrilla Marketing!”

For those of you who may not know, guerrilla marketing is an unconventional strategy that empowers marketers to use out-of-the-box strategies when interacting with their target audience.

I’m a believer of this strategy because it shows just how powerful such campaigns can be.

Today, I’ll talk about a guerrilla marketing stunt that made this brand more popular than ever.

Curious?

Keep reading below.

Brand mascots are one of the most useful tools a business has at its disposal to connect with its target audience.

This is because mascots serve as a mental bridge between a business and its customers.

That’s why for years, brands have leaned on mascots to foster recognition and engagement.

Examples:

Tiremaker Michelin group has its Michelin Man.

Snack-food firm Planters has Mr. Peanut.

Disney has Mickey Mouse.

… and the popular language learning app Duolingo has Duo the Owl.

Duo the Owl had been the mascot of Duolingo since its launch in 2012, and it appeared across the app often.

When users needed to be reminded about their language lessons, Duo the Owl was the one they’d see.

Throughout the years, the mascot developed into a social media sensation, becoming the subject of multiple memes.

Duo the Owl’s popularity surged to the point that it was hard to imagine Duolingo without it. Given Duo’s status as a fan favorite, it was hard to imagine that Duolingo would ever get rid of it.

Yet in 2025, the impossible happened…

Duolingo shocked fans when it announced Duo the Owl had died. It even announced it on Instagram :

The post reached millions of people and it created a viral moment for the mascot. In response, social media users posted memes talking about Duo’s death.

That didn’t end there, though. Duolingo fanned the flames further when it showed a video of Duo getting hit by a car.

Then came the twist: Duo didn’t have to stay dead.

To bring him back, all Duolingo users had to do was complete their language lessons in the app. When enough experience points were earned, Duo would come back to life.

[For those who may not be familiar, Duolingo gamifies the language learning experience. Those who finish lessons get rewarded with experience points or XP. It’s also how the app tracks user activity and engagement.]

By now, it’s clear Duo’s death was a marketing stunt concocted by Duolingo… but did it work?

The results give us a clear answer:

• Duo the Owl’s death generated 1.7 billion impressions across Duolingo’s social media channels in two weeks.
• Social media mentions of Duo ballooned by roughly 25,000% after his “death” was announced.
• Duolingo users were highly engaged, collectively generating a total of 50.92 billion experience points throughout the duration of the campaign.

These results clearly indicate the campaign was a success. So, why did the stunt work?

• It turned attention into action. Duolingo didn’t stop at making people laugh or going viral. It invited those who reacted to the stunt to participate in the campaign.
• It leveraged brand popularity. Duo the Owl has been the subject of jokes and conversation among users for years. Instead of letting this attention slip by, Duolingo leveraged it to generate buzz.

Duolingo’s stunt is a great reminder of just how impactful unconventional campaigns can be.

By leveraging Duo the Owl’s popularity, Duolingo managed to create a campaign that re-engaged its fans and further endeared its mascot to them.

Hope you’ve found this week’s guerrilla marketing insight interesting and helpful.

Stay tuned for next Thursday’s Gorillas of Guerrilla Marketing!

Do you want to know how one pizza chain hijacked the FIFA World Cup in Malaysia in 2022?

See it in next week’s article!