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.
Supporter is a synonym to fan that predates the latter term and is still commonly used in British English, especially to denote fans of sports teams. However, the term fan has become popular throughout the English-speaking world, including the United Kingdom. The term supporter is also used in a political sense in the United States, to a fan of a politician, a political party, and a controversial issue.