London Quarterly Review, a non-LDS periodical, publishes a review calling the angel "Nephi."
Review Article, “New American Religions,” London Quarterly Review 244 (April 1867): 246.
. . . when on a night in September, 1823, as Joseph was praying for forgiveness, he beheld a second vision. A shining being, who announced his name as Nephi, told Joseph that God had a work for him to accomplish, and that his name would be blessed and accursed through all nations of the earth . . .