North Germanic peoples, commonly called Scandinavians, Nordic peoples and in a medieval context Norsemen
scandinavians and nordics seems to be the most accurate individual words to describe the people.
That depends on what part of Germany you are talking about. Germany like many other big countries are genetically diverse. If you go look in North Germany I'm sure you will find a lot of people resembling scandinavians/nordics.
Idk honestly, all I know is that my family used to live in North-Eastern part of Poland after getting back independence (today's Lithuania) and after the WW2 they got moved to the Western Part of Poland;)
1. The common characteristics of a group of people, especially regarding ancestry, culture, language or national experiences.
2. An ethnic group.
3. casual, euphemistic Race; common ancestry.