Oscar Neftalí Sallaberry Valls (Nefty, born March 1, 1964 in Ponce, Puerto Rico) and Fernando Ramón Sallaberry Valls (born November 25, 1965 in Barcelona, Spain), are Puerto Rican singers and actors who were part of the original lineup of the band Menudo. Nefti and Fernando are the sons of Santiago Sallaberry, a doctor in oncology.