What did Nietzsche do for philosophy?

Question: What did Nietzsche do for philosophy!?

Basically I need an essay thesis on why he was a good philosopher!? please help!!!Www@QuestionHome@Com

Best Answer - Chosen by Asker:

He set the main principles of Existentialism!. His motto, if he had one, would be "God is dead"!.Www@QuestionHome@Com