France
Mastu is a French entertainer and YouTuber who built his channel around comedy and variety content, evolving from gaming-oriented roots into a broad entertainment format.
Total Followers +0.4%
10.2M
Across YouTube, Instagram
Primary Platform
YouTube
7.1M followers · 69% of audience
Engagement
4.7%
vs. 1.5% category median
Sponsorship Tier
Mega
Est. $38K–$88K / IG post
Mastu took part in Squeezie's GP Explorer 3 race event (3–5 October 2025), competing under the same Theodort team as previous editions.
For Halloween 2025, Mastu staged a live Twitch edition of his hit '24h en Enfer' format alongside Michou, Hctuan, and Zafeel, with viewer-controlled challenges. The first YouTube iteration had generated 16 million views.
Participating in the ZEVENT charity streaming marathon for the first time, Mastu mobilised his community to raise more than 553,000 € for the event's supported associations.
Dairy brand YOP partnered with Mastu for a multi-platform campaign addressing teen self-confidence themes, featuring Mastu in an anime-style OVA format tied to his boxing passion.
Lacoste brought Mastu and fellow creators Natoo, Adèle Castillon, Raska, and Sofyan together for a branded live stream at its Paris pop-up, with 30 community members selected to attend in person.
| Window | YouTube | Combined | ||
|---|---|---|---|---|
| Last 7 days | +0 +0.0% | -3158 -0.1% | +0 +0.0% | -3158 |
| Last 30 days | +10K +0.1% | +29K +0.9% | +0 +0.0% | +39K |
| Last 90 days | +40K +0.6% | +0 +0.0% | +0 +0.0% | +40K |
| Last 365 days | +40K +0.6% | +0 +0.0% | +0 +0.0% | +40K |
Daily follower snapshots from CreatorDB's longitudinal index.
| Brand | Type | Platform | Date | Performance vs. baseline |
|---|---|---|---|---|
| Revolut Sponsorship | Sponsored content | YouTube | Sep 2026 | — |
| Whatnot Sponsorship | Sponsored content | YouTube | Jul 2026 | — |
| Braun Sponsorship | Sponsored content | YouTube | Jun 2026 | — |
| NordVPN Sponsorship | Sponsored content | YouTube | May 2026 | — |
| Ultra Premium Direct Sponsorship | Sponsored content | YouTube | Apr 2026 | — |
Mastu is a French entertainer and YouTuber who built his channel around comedy and variety content, evolving from gaming-oriented roots into a broad entertainment format. His videos blend collaborative challenge concepts — try-not-to-laugh battles, a recurring lie-detector interrogation series, and high-concept experiential stunts like overnighting 500 metres underground — with guest-driven pop-culture formats featuring a rotating cast of French creators and artists. A One Piece quote embedded in his channel bio reflects the anime-literate sensibility woven through his humor and community identity, signaling an audience that engages with the persona as much as the content format itself.
Mastu reaches an audience concentrated in France primarily through YouTube, and is best activated via long-form YouTube integrations, Instagram Reels and Stories. Their sponsorship history skews toward Consumer goods / hydration, Retail / sneakers, Gaming, a clear signal of fit for brands in those categories. Demonstrated partners include Whatnot and Revolut. Engagement on YouTube runs around 5.1%, pointing to an audience suited to category-relevant, mid-funnel brand campaigns rather than pure-reach buys.
Benchmark estimates for a creator at Mastu's tier (Mega, 10.2M combined followers, France). Pulled from CreatorDB's category benchmarks.
The CreatorDB Agency runs end-to-end influencer campaigns globally — shortlisting, outreach, contracting, and performance reporting. Talk to our team about building a campaign around creators in this niche.
Mastu closes his YouTube bio with the phrase "Orewa kaizoku oni naru otokoda" — Monkey D. Luffy's iconic declaration from One Piece, meaning roughly "I'm going to be the King of the Pirates." It's a clear signal that Mastu is a fan of the series, a detail that lands hard with his predominantly young male French audience.
Yes — Mastu documented it in a video titled "ON DORT DANS LE AIRBNB LE PLUS PROFOND DU MONDE (500m sous terre)," claiming it as the world's deepest Airbnb stay. Extreme-location challenge content like this sits alongside his comedy group videos as some of the most distinctive material on his channel.
"INTERROGATOIRE SOUS DÉTECTEUR DE MENSONGES" is a recurring YouTube series where Mastu hooks guests up to a lie detector and puts them through an interrogation. By mid-2026 it had reached at least episode 11, with guests including French rap duo Bigflo et Oli, making it one of the longest-running formats on his channel.
The title translates to "You laugh, you get launched" — if a participant cracks, they face a physical consequence, typically being physically projected or ejected in some way. Mastu films these try-not-to-laugh challenges with friends like Anyme, Nico, and Hctuan, and the clear stakes make it one of his most rewatchable formats.
Mastu's regular collaborators include French creators Michou, Billy, Hctuan, Anyme, and Nico, and he occasionally brings in wider names like French rap duo Bigflo et Oli. Multi-creator group challenges and game formats built around three or more personalities are central to his content identity.
Mastucorp is Mastu's professional business entity — his Instagram bio lists contact@mastucorp.com as the point of contact for partnerships and commercial enquiries. It reflects the full creator-business infrastructure behind his channel, handling brand deals across YouTube and Instagram.
Yes, Mastu has posted content tied to Arknights Endfield, using hashtags like #arknightsendfield, #endfield, and #zerothdirective that correspond to the game's Zero Directive event. Gaming content — particularly variety and sponsored game integrations — sits alongside his comedy output as part of his broader channel mix.
As of mid-2026, confirmed sponsors on Mastu's YouTube channel include NordVPN, Revolut, Braun, Ultra Premium Direct, and Whatnot. The mix spans tech, finance, grooming, and the collectibles marketplace, reflecting the breadth of brands targeting his large French-speaking male audience.
Mastu has over 7 million subscribers on YouTube, placing him firmly in the Mega creator tier and among the most-followed French-language YouTubers. His engagement consistently runs well above the category average, which is unusually strong for a channel at that scale.
Mastu is a French creator, and the vast majority of his audience — over 85% — is based in France, with a secondary concentration in French-speaking Belgium and Canada. All of his content is produced in French, keeping him tightly anchored to the Francophone market.
Stats (followers, engagement, audience demographics, growth) are pulled live from the CreatorDB API covering YouTube, Instagram and TikTok. Bio and FAQ content is AI-assisted; news items are sourced from cited public press at generation time. Read the full methodology →
If you'd like to update, correct, or remove this profile, get in touch and we'll handle it within 5 business days. We don't publish private data — every stat shown comes from your public platform profiles.
@mastu · YouTube
+0 new followers
Preparing fresh data…
This usually takes 15–25 seconds.