1838, "South American fox-wolf," from Spanish zorro, masc. of zorra "fox," from Basque azaria "fox." The comic book hero, a variation on the Robin Hood theme set in old Spanish California, was created 1919 by U.S. writer Johnston McCulley (1883-1958).
Examples from the Web for zorro
His looks were modeled after Douglas Fairbanks, the actor best known for playing Robin Hood and Zorro during the silent era.‘Man of Steel,’ New Superman Movie Starring Henry Cavill, Falls Flat
June 11, 2013
In most parts where the Spanish language is spoken, it is known as the “zorro negro,” or black fox.The Hunters' Feast
That something was our good friend Reynard—Zorro they style him out here—whose proverbial cunning exceeds all other cunnings.Unexplored Spain
I might have fancied so, had I not heard a sharp crack from behind, and seen that the arm of El Zorro was broken by a shot!The War Trail