From Clowncrack, his blog of artistic abscission [and click on the images to embiggen]:
His composition is an imaginative reworking of one of the most powerful artworks of the 20th Century, also depicting devastation inflicted upon Spanish-speaking people.
Mr. Fish has creatively disassembled Guernica, the massive oil painting created by Pablo Picasso to 26 April 1937 bombing by the German military’s Condor Legion of a the Spanish city during the Spanish Civil War, the dress rehearsal for World War II, when German and Italian forces joined with Spanish fascists to overthrow the short-lived Spanish Republic:
More on the painting here.
And yes, we also note that most of residents of Guernica were and are are Basque, folks who often regard Spanish as their second language.