Cristian Sáinz Castro (born 8 December 1974) is a Mexican pop singer. He is the son of actors Veronica Castro and Manuel "El Loco" Valdés, and nephew of actors Ramón Valdés (known for playing Don Ramón in El Chavo del 8) and Germán "Tin-Tan" Valdés.
Juan Gabriel described Castro as "the man with the most faculties to sing in Mexico".
Source: Wikipedia (https://en.wikipedia.org/wiki/Cristian_Castro)