Hun

(n.) One of a warlike nomadic people of Northern Asia who, in the 5th century, under Atilla, invaded and conquered a great part of Europe.

Thesaurus Entries

Anzac, Aussie, Boche, Fritz, GI, Heinie, Jerry, Johnny, Kraut, Tommy, Tommy Atkins, Yank, askari, digger, doughboy, jock, poilu, redcoat, sepoy, swaddy