Angelcest is a Supernatural fandom term for shipping any angel characters together. See Supernatural Wiki's entry.
The AO3 has an Angelcest tag with 247 works as of December 2018. Popular angelcest ships include Lucifer/Michael, Castiel/Balthazar, and Castiel/Gabriel.
- ^ Lucifer/Michael + Supernatural AO3 tags, 858 works as of 2 December 2018
- ^ Balthazar/Castiel AO3 tag, 706 works as of 2 December 2018
- ^ Castiel/Gabriel AO3 tag, 336 works as of 2 December 2018