Related Information for Sergio Vargas 1. Sergio Vargas (born March 15, 1963) is a famous merengue singer and, as of 2006, politician, from the Dominican Republic. Along with Freddie Kenton, Milly Quezada, Toňo Rosario, Wilfrido Vargas and Fernando Villalona, Vargas obtained fame in Latin America and Europe during the 1980s and early 1990s. Vargas began his career as a merengue singer in 1980 when he participated in the Festival de la Voz, a Dominican Republic contest that was sponsored by Santo Domingo television's chan.. read more