Xavier Remington
The 1980s TV series Highway To Heaven starred Michael Landon as the Angel Johnathan Smith. He was on Heavenly probation looking to earn his wings. He would travel about the Earth helping out people along the way. He was a human who died and went to Heaven before returning to Earth with a new appearance. Theres no indication if every human had to do this or if it was something only borderline cases had to perform....
Angels
What If Demons Mated With Each Other? Procreation among Angels is strictly forbidden by the Omniverse Lord himself. Realistically, it wouldnt be possible in Heavenly metaphysical energy form. However when taking biological form Angels have mated with humans to create holy Heaven-sanctioned Demi-Angels, and unsanctioned Nephilim. Even a rare, and beyond forbidden mating with a Demon to create an Angel-Demon Hybrid! There are also sparse reports of Angels mating with various other supernatural beings against the...
Human origin Angels who ascended to Heavenly status after death will generally have a gender in the lower dimensions. However once they evolve into higher dimensional entities that include their Parallel Universe, and even parallel Multiverse selves, that may not be the case. Were not the same gender in every Universe since our sex is a biological trait, and not something that originates from the great metaphysical beyond. Some may still choose to identify with a...