If Jesus is Jewish, why does he have an Hispanic name?

"I believe that the Jews have made a contribution to the human condition out of all proportion to their numbers: I believe them to be an immense people. Not only have they supplied the world with two leaders of the stature of Jesus Christ and Karl Marx, but they have even indulged in the luxury of following neither one nor the other." -- Sir Peter Ustinov, Oscar-winning actor, playwright, and novelist, who died yesterday at 82