Rosalie Hale is a fictional character from the Twilight series, created by author Stephenie Meyer. She is a vampire and a member of the Cullen family, known for her striking beauty and strong personality. Rosalie was born in the early 20th century and transformed into a vampire by Carlisle Cullen after a tragic event in her human life. In the series, Rosalie is portrayed as fiercely protective of her family and has a complicated relationship with her vampire nature. She often struggles with her desire for a human life and her role within the Cullen family, which emphasizes compassion and coexistence with humans.