Ernesto Rodriguez is a character in DEXTER. He was the fiance of a woman named Yelina. He has the Castillos smuggle him into the country to be wed to Yelina but they try to extort more money out of her. When she can't Ernesto is killed and his body is thrown to shore. Dexter deals with him and his wife, while Yelina identifies the body of her late fiancee.