| Rosemary Nagasami | |
|---|---|
 | |
| Age | 14 |
| Gender | Female |
| Planet of Origin | Earth (Bakugan Universe Reality) |
| Race | Human |
| Occupation | Brawler, Middle School Student |
| Main Attribute | None |
| Guardian Bakugan | None |
| Family | Parents Older brother Sakura (Older sister) |
| First Appearance | Bakugan Universe: Chapter 4 |
Rosemary Nagasami is the younger sister of Sakura Nagasami and a protagonist in Bakugan Universe.