A quintet is a group of five people commonly associated with musical groups, such as a string quintet or a group of singers. http://en.wikipedia.org/wiki/Quintet.
For the screw head shape, see Cheese head (screw). Cheesehead (Dutch: kaaskop) is a nickname which began as a slanderous term towards Dutch people, and later in the US became a general name for a person from Wisconsin (see: Wisconsin cheese). It is also the nickname for the fans of the Green Bay Packers NFL football franchise. 1 Origins 1.1 Wisconsin.
The Packers are the last vestige of small town teams common in the NFL during the 1920s and '30s. Founded in 1919 by Earl Curly Lambeau and George Whitney Calhoun, the franchise traces its lineage to other semi-professional teams in Green Bay dating back to 1896.