An Indonesian teenager typed seven prompts into OpenAI's image generator over 15 minutes during Ramadan 2025. The result — Tung Tung Tung Sahur, an anthropomorphized drum with a vacant stare — became one of the most recognizable characters on the internet, amassing hundreds of millions of views across YouTube and TikTok, spawning cosplay, fan art, plushies, perfume, and an upcoming Fortnite skin. The question of who owns this value is now before a federal court in northern California. The lawsuit pits Do Big Studios, which featured Triple T in its wildly popular Roblox game "Steal a Brainrot," against Mementum Lab, a French creative agency representing the character's teenage creator Noxa. Do Big's legal argument is blunt: under US copyright law, protection requires human authorship, and typing "draw a pentungan sahur with a face and legs" followed by "human face" and "no hands, legs like a human" does not clear that bar. Mementum countersued for trademark infringement and is pursuing a parallel strategy under EU law, having already succeeded in getting Triple T removed from the Roblox game via the EU's Digital Services Act. The US Copyright Office's own 2025 guidance offers no clean answer. It confirms copyright protects original expression by human authors even when AI is involved, but explicitly excludes "purely AI-generated material" and punts on the threshold: whether human contributions are sufficient "must be analyzed on a case-by-case basis." Seven prompts in 15 minutes is about to become that case. The deeper structural tension runs between two legitimate claims. Mementum's Eben Jeda frames this as economic justice for internet-native creators who generate global cultural value but capture none of the resulting profit. The opposing view, articulated by brain rot video creator Fabian Mosele, holds that meme characters are collectively created — the original prompt was just a seed, and thousands of creators made the character culturally significant through their own labor of animation, video production, and community building. This is not merely a copyright dispute. It is a jurisdictional puzzle wrapped in an authorship crisis. An Indonesian creator's work, popularized largely in Latin America, claimed by a French company, litigated in California, with enforcement already achieved under EU regulations — the case maps the total inadequacy of national IP frameworks for internet-native cultural production. Cornell professor James Grimmelmann notes the case could either produce a concrete judicial standard for AI copyrightability or begin establishing norms and best practices for AI-assisted creation. The commercial stakes are already substantial and growing. The Fortnite skin deal alone represents significant licensing revenue, and the character's likeness appears on physical merchandise globally. Whoever wins the legal argument wins control of a character that functions less like a copyrighted work and more like a brand — which is precisely why Mementum is pursuing trademark rather than copyright as its primary weapon. Trademarks protect commercial identity, not creative expression, and do not require the same human authorship threshold. The case will likely produce precedent that extends far beyond brain rot memes. Every AI-assisted creation — from marketing assets to game characters to design work — operates in the same legal gray zone. If sparse prompting is ruled insufficient for copyright, the implications ripple through every industry using generative AI as a creative tool. If it is sufficient, the barrier to claiming ownership of AI output drops to essentially nothing, potentially flooding the IP system with millions of trivially generated claims.
