Who Was World War I's Tommy Atkins

From Wikipedia.

Tommy Atkins (often just Tommy) is slang for a common soldier in the British Army.  It was well established during the 19th century, but especially connected to World War I.

It can be used as a term of reference, or as a form of address.  German soldiers would call out to "Tommy" across no man's land if they wished to speak to a British soldier.  French and Commonwealth sodliers also often referred to British troops as "Tommies."

--Cootommy