It was another Arab from Jerusalem:
(This page has since been taken down.)
One other person, a woman from Gaza, uses the same parenthetical name:
When you look in Arabic, you find a number of others (some of which seem to have changed recently):
This person is Italian, and there is nothing about Israel on his page. It seems he just wanted to tell the world he hated Jews but hide it from Facebook.
Most of the people who use "Death to the Jews" as their parenthetical name are, of course, Arab:
Other Facebookers try to show off their Jew-hatred in other languages: