Rosalina is a character from the "Super Mario" series by Nintendo, first appearing in "Super Mario Galaxy." She is characterized by her ethereal and serene presence, often depicted with long, flowing platinum blonde hair, a star-shaped brooch, and a turquoise gown that complements her celestial theme. Rosalina wields a wand and is accompanied by her loyal companion, a small star-like creature called Luma. Her regal appearance and calm demeanor set her apart as a figure of wisdom and kindness in the Mario universe.

Rosalina's personality is marked by her gentle, motherly nature and deep sense of responsibility. As the protector of the cosmos, she cares for the Lumas, guiding them as they grow and transform into stars, planets, and other celestial bodies. Despite her tranquil and nurturing disposition, Rosalina also possesses a profound strength and resilience, having endured the loss of her mother and taking on the monumental task of safeguarding the universe. Her backstory, detailed in the storybook found in "Super Mario Galaxy," reveals her compassionate heart and unwavering dedication to her cosmic family.

In the "Super Mario" series, Rosalina's abilities are tied to her cosmic role. She can manipulate space and gravity, often aiding Mario and his friends in their quests. In gameplay, she is known for her unique moves and powers, such as spinning to attack enemies and using her wand to perform powerful star-related attacks. Rosalina has also appeared in various spin-off games, including "Mario Kart" and "Super Smash Bros.," where her graceful yet powerful presence makes her a beloved and iconic character in the Nintendo universe.