Karina Lyle, also known as Blue Rose, is a prominent character in the anime series Tiger & Bunny. She is a young, talented hero with the ability to control ice, making her a formidable opponent in battle. Known for her dual career, Karina is both a hero and a pop idol, which adds complexity to her character. Her public persona as Blue Rose is marked by her signature catchphrase, and she often struggles with balancing her personal desires with her responsibilities as a hero. Throughout the series, Karina's interactions with other heroes, especially Barnaby Brooks Jr. and Kotetsu T. Kaburagi, highlight her growth and dedication to her role.