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STREEEEEEETCH
That style of mustache ('toothbrush mustache') was common during the latter part of the 19th century and first part of the 20th century. Men who thought their noses were too big often wore one of these, and it does, indeed, seem to 'balance' out a big nose. Hitler thought his nose was too big and started wearing one at some point. The style became VERY UNPOPULAR after WWII, and you can guess why.