The people from Denmark, Norway, Sweden (the Scandinavian countries), Finland and Iceland.

What they have in common is mainly their desire for partying and drinking, and the fact that they have to live in a place that is f***cking cold 10 months a year. This makes them stick together in some places (eg. there's a Nordic club in Genève).

Most nordic people have blond hair and blue eyes. Especially the hair of Finnish girls (aged 10 or younger) has the most incredible white color - so fairylike that you want to bring a pair of scissors to get some of it (or simply marry a Finn and get some kids).

Why the Icelandic people are considered as being Nordic is most probably because Denmark once owned Iceland (and the Vikings used their island as a base when they discovered America some 500 years before Colombus).