Creator Breakdown: This was a physical, rather than mental, breakdown. Antonio Prohías suffered from a muscular disease in the 1980s that slowly deteriorated his ability to draw. By 1987, the MAD staff were forced to find a replacement artist.
Completely Different Title: The comic is known as "X & Y" (Sometimes X vs Y) in Sweden and Norway where the spies did had names on their own although the comic is still kept in silent. The title is a Name and Name title where White Spy is known as X, Black Spy is called Y and Grey Spy is named Z.
Creator's Pest: Antonio Prohías originally intended for the Grey Spy to represent neutrality, but quickly retired her because he found that doing so made her extremely predictable.
The Other Darrin: After Prohías left the magazine, the art duties went to Bob Clarke, George Woodbridge (for two issues), and Dave Manak, typically with Duck Edwing handling gag writing. In 1997, Peter Kuper took over art and most of the writing duties, although other people sometimes write the gags for Kuper to draw.
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