Moroni described as an angel.
Henry Harris statement, Affidavit, in E. D. Howe, Mormonism Unvailed (Painesville, OH: author, 1834), 251.
He [Joseph Smith] said he had a revelation from God that told him they were hid in a certain hill and he looked in his stone and saw them in the place of deposit; that an angel appeared, and told him he could not get the plates until he was married, and that when he saw the woman that was to be his wife, he should know her, and she would know him.