The Castilian hero is a legendary figure in Spanish history, and the crossword solutions provide insight into his character. The term 'Lisper' (6 letters) refers to someone who speaks with a lisp, a speech impediment that affects pronunciation. 'GRANDEE' (7 letters) is a title of nobility given to certain high-ranking members of Spanish society. 'Lisp' (4 letters) is a verb meaning to speak with a lisp. 'Tio' (3 letters) and 'Tios' (4 letters) are Spanish words for uncle and uncles, respectively. 'FLAN' (4 letters) is a type of custard dessert popular in Spain. Finally, 'Cid' (3 letters) and 'ElCid' (5 letters) refer to the same person, Rodrigo Diaz de Vivar, a Castilian knight and military leader who is the hero of many Spanish stories.