Rosetta, known as Rosalina in English, is a prominent character from the Super Smash Bros. (Dairantou Smash Bros.) series and originally from the Super Mario franchise. She is the mysterious and powerful guardian of the cosmos, caring for the Lumas at the Comet Observatory. In Super Smash Bros., Rosetta teams up with a Luma to fight, utilizing unique abilities and cosmic powers. Her calm demeanor and protective nature make her a beloved figure, often playing a supportive yet formidable role in battles.