Deutschland?
The Fatherland.
Most likely people will call you a German Mexican.
wagadu
Primarily the German Nazis.
Leute Or 'Volk', if you are talking about all the people in a nation, as opposed to a group of persons.
Address to the German Nation was created in 1808.
While the name for Germany Þýskaland derives from Deutschland we call the people there Þjóðverjar which literally means "nation protectors". This isn't really apparent though and I never though about it this way until I saw this question, we just see it as a word for the German people.
People who live in Germany are called Germans
Nobody invented the German Shepared, that was just a dog in Germany and so people just call them German Shepareds.
By unifying the German people for one cause, the Arian nation.
No, it's a Finno-Ugric nation.