Menma is the nickname of Meiko Honma, the central character in AnoHana: The Flower We Saw That Day, the 2011 anime series about childhood friends reuniting after her death. Clips of her voice are widely shared by anime fans for her distinctive soft delivery. This edit pairs her saying Mario, the Nintendo hero, creating a crossover moment that spread on soundboards and in fan edits. The mix of a heartfelt anime character with a famous game name is why fans still use it as a cute, nostalgic drop.