Ralph Valladares
 Ralph Valladares (July 31 1936 – November 13 1998) often known as Ralphie Valladares was a roller derby skater and coach.Born in Guatemala Valladares moved to Los Angeles with his family when he was twelve years old. He hoped to become a jockey but his weight reached 115 pounds (52 kg) and he turned his attention to roller skating. He joined the roller derby at the age of seventeen initially skating for the Los Angeles Braves.