- The allegory of the United States of America, Uncle Sam, is a personification of the nation’s government as conceived around the time of the civil war. Uncle Sam is a popular costume, especially during patriotic holidays and for that Wonder Costumes summons you to celebrate Americanism! Choose a complete outfit with gabardine and stripes pants or simply go for accessories like the white goatee and the stars and stripes hat alone to make any simple suit homage this classic character.
