Rey Mysterio’s daughter Aalyah Mysterio, aka Aalyah Gutierrez, is reportedly joining the WWE Performance Center. “Rey Mysterio’s daughter Aalyah is expected to start at the WWE Performance Center shortly,” PWInsider reported. The cake is also topped with small cutouts of Aalyah Mysterio in wrestling gear. Rey Mysterio talks about daughter Aalyah Mysterio’s wrestling careerA few months ago, while speaking on What Do You Wanna Talk About?, Rey Mysterio opened up in detail about his daughter’s wrestling career. Before reportedly signing with the WWE Performance Center, Mysterio graduated from the University of California San Diego last year with a degree in human biology.