Beatriz "Bia" Urquiza is a protagonist and title character of BIA and the protagonist villain in BIA: Un mundo al revés. She is 16 years old. She is portrayed by Isabela Souza. Bia has a passion for drawing, and loves to imagine the world around her moving and interacting in different ways. She also loves riding her bicycle alone, or accompanied by her friends. She has a very good voice, but did not sing in public, due to past trauma.