Angel

The Angel is a recurring motif in the series. They often appear as a small child in a white gown with blond hair and a above the head, or a, a chubby male child, usually nude and with a pair of wings. They share a distinct similarity, they appear whenever someone uses the spells Raise and Arise. Angels are often associated with life and granting protection against death, but in some rare cases they can inflict harm on the player's characters if used by enemies to attack the party.

Final Fantasy
The angel in the Gameboy Advance version depicts the angel as a blond male child dressed in a white gown with a pair of large white wings on his back.

Final Fantasy II
The angel in the Gameboy Advance version is depicted as a blond male child dressed in a white gown with a pair of wings on his back. Unlike the other angels in the series, his hair covers most of his face.

Final Fantasy III
The angel is depicted as a blond male child with a pair of wings on his back and a halo above his head.

Final Fantasy IV
The angel in this game is depicted as a blond male child with a pair of wings and a halo above his head. They appear with the Raise and Arise spell, descending from the heavens and bringing back the fallen ally before leaving the battlefield after accomplishing his task.

Final Fantasy VI
The angel is similar to the previous Nintendo and Super Nintendo era angels, a blond male child with a pair of wings on his back and a halo above his head. The Raise and Arise spell calls forth a single angel, bringing the target back to life. The Reraise spell calls forth multiple angels, and bestows protection against death. Heartless Angel brings down multiple angels, one for each targets, dropping the character's HP down to a single digit. Cloudy Heaven calls forth countless angels who bestows a curse upon the entire party, a curse that cannot be prevented.

Final Fantasy VII
The angel appears as a blond male child with a halo above the head, dressed in a white gown with a pair of white wings on his back. He appears in the Life, Angel Whisper, and Heartless Angel ability.

Final Fantasy Tactics
The angel in this game is depicted as a chubby male child, nude with a pair of wings. The spells Raise, Arise, and Reraise makes a single angel descends from the heavens in a ball of light and materializes above the KO'ed character. If the target unit doesn't have a high enough Faith stat (a character's belief in God), there's a chance the unit will not hear the angel's voice and will not be revived.

Final Fantasy Mystic Quest
The angel in this game appears as a small child wearing a white gown with blond hair, a halo above the head, and a pair of wings. The only spell it appears in is the Life spell.

Etymology
An is a supernatural being or spirit, usually humanoid in form, found in various religions and mythologies.