What does Gael mean?
A name of disputed origin, now very popular in Spanish-speaking countries (notably through actor Gael García Bernal). It is usually tied to Brittany, either as a short form of the Breton Gwenael (gwenn 'white, blessed' + hael 'generous') or to the Gaels, the Celtic peoples. No single etymology is firmly established.
What does Alejandro mean?
The Spanish form of Alexander, from the Greek Alexandros, combining alexein 'to defend, protect' and aner/andros 'man'. Carried through history by Alexander the Great and later by saints and kings.