José Roberto Islas García (born June 9, 1977) is a Mexican Luchador or professional wrestler, better known by his ring name Billy Boy. Billy Boy has worked for the majority of his career in the Mexican professional wrestling promotion Asistencia Asesoría y Administración, where he most notably teamed with Alan and to form Los Barrio Boys and works under the ring name Billy el Malo ("Billy the Evil One") as a member of Los Bizarros. Since 2004 he has been involved in a long-running storyline feud that revolves around his relationship with Faby Apache, his real-life wife, as well as his father-in-law, Gran Apache, and involved Billy Boy and Faby Apache's son Marvin.