It is the British's nickname for the German is 'Jerry'. In WW1 they used "Hun". Some continued that usage into WW2. The American's nickname for the German is 'kraut'. The German's nickname for the British is 'Tommy', and for the Americans is 'Ami'.
II Duce
The Red Army was a nickname for the Soviet Army.
The Allies and the "Big Three" .
"Fat Man"
No, the Holocaust took place during World War 2. The Holocaust refers to the Nazi genocide of the Jews in 1941-1945: it is not a nickname for either of the World Wars.
The Dambusters.
Rosy
baby girl
Winston churchill
the blood beach
Stavka
Flak
bomber harris
u stink
II Duce
age of no food
Oliver Wendell Homles