Many people throughout history have tried to annihilate the Jews but I assume you are referring to Adolf Hitler.
Haman.
None.
Your question needs to NAME the person you're asking about. Lots of people have killed Jews.
Jews have been killed throughout the centuries.
the natzi's killed the Jews in the hollicost.
65,000 Jews were killed.
Hitler killed several kinds of Jews, including Polish Jews and German Jews. Hitler also killed Germans who were sympathetic to Jews.
In the Holocaust Jews were killed simply for being Jews, in fact simply for existing.
because they were jews and thats what hitler ordered to have jews killed plus he was crazy
to have their grandparents be jews
If you are referring to the man who saved Jews, his first name was Oskar.
Jews have been killed or murdered in just about every conceivable way across the centuries. To get something more specific, please resubmit the question with a place name and a timeframe.