Diego Solis is a Fictional charcter in Desparate Housewives. He was never been seen in the show, but only mentioned Diego Solis was married to Juanita Solis . When Juanita was 16, he started tobe abusive towards her. She stayed with him and then Carlos waqs born. Diego was not much of a father, he never held him or had any type of bond with him whatsoever. One night when Carlos was 4, Diego Solis came home drunk and hit Carlos. It has never fully explained what happened, but it was assumed that Juanita murdered him. Juanita told Carlos that his father left her for a waitress in Alpassio.