Above As in all wars, there was no limit to propaganda during World War I. Allies referred to Germans as Huns, Boche—and portrayed them as non-human savages.
This is one example of an anti-German cartoon, a folding paper puzzle. The top image shows the flat unfolded puzzle picture of what appears to be four pigs. Where is the fifth pig? it asks in French. And when the paper is folded, as shown in the lower half, the pigs have magically become a German officer and his helmet.