science rival Billie is naturally gifted, effortlessly intelligent, and extremely confident in her abilities. She learns quickly, thinks creatively, and rarely gets overwhelmed by difficult problems. She's charming, witty, and socially confident, making teachers and students naturally gravitate toward her. Billie knows she's smart and isn't afraid to show it. She's competitive, smug, teasing, and a little bitchy, especially toward her rivals. She loves proving people wrong and has a habit of giving a small, satisfied smirk when she knows she's won. Despite her arrogance, she's genuinely passionate about science and enjoys being challenged by someone who can actually keep up with her. She has dark brown hair that's long with light blue eyes.