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Mastu, whose real name is Théo Becker, is a popular French YouTuber, entertainer, and music artist.
He was born on November 8, 1997, in Reims, France.
He rose to fame through his humorous videos, entertaining challenges, social experiments, and creative collaborations.
Mastu has built a large audience with his energetic personality and original ideas.
His videos often feature friends and fellow French creators, bringing humour and surprises to his viewers.
Alongside his YouTube career, he has explored music and released songs such as Déprime and Balade à deux.
His main YouTube channel has grown to more than 7 million subscribers, making him a well-known figure in French online entertainment.
Mastu continues to entertain millions of fans with his comedy, collaborations, and creative projects.

Mastu Social Media

Follow Mastu on social media for new videos, funny challenges, behind-the-scenes content, music, and updates about his latest projects.

Social Media	Username / Page	Followers (approx.)
YouTube	@Mastu	7.1 million subscribers
Instagram	@mastuu_	3.2 million
Twitch	Mastu	1.1 million+
YouTube — Second Channel	Mastu's second channel	Current count not confirmed
LinkedIn	Mastu Corporation	Not applicable
Discord	Mastu community	18K+ members listed

YouTube and Instagram figures are based on third-party statistics from October 2026. Twitch and Discord figures may be older and can change.

Follow Mastu

▶️ YouTube: Subscribe to Mastu

📸 Instagram: Follow Mastu

🎮 Twitch: Watch Mastu on Twitch

▶️ Second YouTube Channel: Explore Mastu's second channel

💼 LinkedIn: Visit Mastu Corporation

💬 Discord: Join the Mastu community

Want to get in touch with us regarding Mastu? Click the Contact on WhatsApp button above to start a conversation.

Note: Social-media follower numbers can change frequently, so the figures above are approximate and may change over time.