Andrea Trujillo Alfonzo, also known by the alias BiByz, is a Mexican dubbing actress, theater performer, singer, and composer based in Los Angeles. She comes from a family deeply rooted in the entertainment industry, as she is the daughter of renowned voice actors Rubén Trujillo and Cynthia Alfonzo, and the younger sister of actor Alberto Trujillo.

Trujillo has built a career in voice acting, contributing to a variety of animated series, anime, and live-action dubs for the Latin American Spanish market. In the realm of anime, she is recognized for her role as Javelin in the series Azur Lane. Her other anime credits include a role as a maid in an episode of Demon Slayer: Kimetsu no Yaiba, and as Chiyo in Junji Ito Maniac: Relatos japoneses de lo macabro. She also provided additional voices for the classic series Ranma ½.

Beyond anime, her voice work in animation includes the role of Tater Tot in the series Doce por siempre and Pip in Escandalositos. She has also been involved in dubbing numerous live-action productions. Notable among these are her recurring roles as Stella in Jóvenes altezas and as Belinda Conrad in The Hardy Boys. Her film dubbing work includes characters in movies such as Ma, Rodeo rock, and The Brothers Grimm. Trujillo has also contributed to the dubbing of Korean dramas, including Si las estrellas hablaran and Amor en la puerta de al lado. Throughout her career, she has worked with a wide range of dubbing studios across Mexico.