Picture yourself at a concert…
The bass is pumping, the crowd is charged, and then suddenly, out of nowhere, a bunch of green mascots show up, getting all the attention.
They’re dancing, getting the crowd pumped, and drawing every eye in the venue.
It takes a second to register, but once it does, the whole crowd is in on it.
Laughter spreads, phones come out, and just like that, the mascots become part of the show.
In 2024, that’s exactly what happened in one of Charli XCX’s concerts!
Who was behind the presence of green mascots??
It’s none other than…
Duolingo!

Photo from Duolingo
Known for its quirky and bold social media presence, Duolingo has turned its owl mascot, Duo, into a viral marketing force.
In September 2024, the company pulled off one of its boldest stunts yet.
Duolingo’s marketing team organized over 20 employees to attend the opening night of Charli XCX and Troye Sivan’s Sweat Tour in Detroit, Michigan, each decked out in Duo masks and “Brat” T-shirts that referenced Charli’s neon green-themed “Brat” album.

Photo from Duolingo
That’s not all. Some TikTok users claim that even before the show started, Duolingo staff were handing out merchandise in the signature “Brat” green, featuring the company’s mascot.
This surprise appearance enthralled fans, fueling a wave of user-generated content across social media.
Making the Connection, Owning the Moment
You might wonder, how did Duolingo know this concert was the perfect moment to strike?
Duolingo played on color association, tying the bright green of Charli XCX’s “Brat” album cover to its green mascot.

Photo from Charli XCX
Lyrics played a role, too. In her song “Talk Talk,” Charli sings, “Talk to me in French, talk to me in Spanish”—providing a golden opportunity for Duolingo to make its move.
Seizing the moment, the Duolingo employees revealed their costumes during the performances of “Apple” and “Talk Talk,” songs that resonated with the fans and the app’s language-focused identity.
Moreover, the company knew who its audience were: Gen Z and millennials who thrive on humor and sharing memorable moments.
Was Duolingo’s “Charli XCX” campaign effective?
For starters, Charli XCX herself acknowledged the green owls during the concert, which is clear proof of the campaign’s success.
Mid-performance, Charli XCX spotted the green owls in the crowd and shouted, “Duolingo right there, baby!” This became a moment that fans quickly captured and shared on TikTok.
The videos spread fast, boosting the hype and turning an already viral stunt into a full-blown cultural moment.
The campaign racked up over 20 million impressions, with 13 million of those coming from content created by concertgoers instead of Duolingo’s official channels.
Social media mentions of Duolingo also jumped by 20%, proving that when you combine smart timing, fan culture, and a little unhinged chaos, the Internet will take care of the rest.
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When the chance to align with a major trend presents itself, brands should waste no time in seizing the moment—and Duolingo did just that.
By tapping into the hype around the Sweat tour, Duolingo gained both relevance and virality, especially among its target market.
This is a classic case of a low-budget stunt with the strength of user-generated content on display.
With just a few concert tickets and a perfectly timed surprise, Duolingo sparked genuine reactions that drove massive engagement, without the need for costly production or influencers.
More importantly, the Duolingo employees did not upstage Charli XCX’s act. Instead of taking center stage, Duolingo’s staff blended into the crowd, creating a happy, positive association without upsetting the fan experience.
By staying true to its playful, friendly brand persona, the language-learning platform seamlessly bridged real-world interaction with online engagement, maximizing impact and strengthening its connection with its target audience.
About The Dynamic Marketing Communiqué’s
“Fridays: Gorillas of Guerrilla Marketing”
Jay Conrad Levinson (1984) said that Guerrilla Marketing “works because it’s simple to appreciate, easy to execute, and inexpensive.”
Guerrilla Marketing is unconventional.
Looking beyond the traditional ways of advertising, marketers and advertisers need to spice things up in order for their brand to have campaigns that not only make an impact but also stick to their target market’s mind.
Guerrilla Marketing usually aims to have direct contact with consumers.
This type of direct contact should spark an emotional reaction that leads to consumers effectively remembering the brand.
It’s about making a big impression and making that impression last a long time (if not forever).
Guerrilla Marketing can be inexpensive.
The effect of this is being able to create a buzz around the brand, and the strategy used to market it. Almost everything is passed around through word-of-mouth.
Word-of-mouth is one of the greatest outcomes and it usually doesn’t cost anything.
This is every business’ or brand’s dream!
Every Friday, we publish tips, examples, and other useful content on unconventional ways of marketing and promotion.
Learn more about how to grab your target market’s attention and make an amazing first and lasting impression without having to spend a lot of money.
Businesses don’t really need to spend much for a guerrilla campaign. You do not need a big budget to be successful. You just need creativity and a good imagination.
Hope you find this week’s guerrilla marketing insight interesting and helpful.
Stay tuned for next Friday’s “Gorillas of Guerrilla Marketing!”
Cheers,
Dyane Diasanta
Senior Content Writer
Valens Dynamic Marketing Capabilities
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