A Spanish representative of the monarch was called a "viceroy." The viceroy was appointed by the Spanish king or queen to serve as the highest-ranking official in a colonial territory, governing on behalf of the monarch.
spanish rulers appointed by the king.
Viceroys were appointed to rule Spanish provinces in the king's name.
"Overseas territories" qualify as such. These were regions belonging to both empires, and were governed by viceroys appointed by the King or Queen.
Spain.
Un virrey
There was queen Isabella and king Ferdinand
King Ferdinand and Queen Isabella of Spain
The Spanish Monarchy is made up of the king or queen, his or her family, and a household staff organization. Currently, the Spanish royal family are King Felipe VI, Queen Letizia, and their daughters Leonor and Sofia.
It actually does mean something. "Rey" in Spanish actually means King. so Rey Mysterio means "King of Mysteries".
She wasn't, Queen Elizabeth 1st wanted revenge on the Spanish king for attacking English ships
Holy Roman Emperor Charles V (1500-1558) ruled the Spanish Empire, as the son of Queen Joanna (the Mad) who nominally remained monarch until 1555 despite being confined to a nunnery due to mental illness.