I didn't want to do this but here we go. I wanted to use the 'main characters' thing but I felt it was too vague, oh well. The Others are all in a human form during the first chapter.
THE OTHERS
the Moon - Grey Wolf
(Snow White)(SinoAlice)
the Sun - Deerdog (original creature and art)
(Alice Breaker)(SinoAlice)
the Earth - Blue-Eyes Dragonette
(i don't know where he's from ;-;)
the Darkness - Black Mamba
(Jormungandr by Batwynn)(DeviantArt)
THE MORTALS
Zero - Mortal Guardian for the Moon
(Shintaro Kisaragi)(Kagerou Project)
Vane - Mortal Guardian for the Sun
(Law Chester)(Moritat)
Imp - Mortal Guardian for the Earth
(I'm not sure if this is right but there was something about her that was related to 'Toyhouse')
(Jordynne)(Jormungandr)
THE FATUM VICTUS (defeated fate(allegedly in latin))
Takeo - right hand for Nocturna
(Vanitas)(Kingdom Hearts)
Savi - left hand for Nocturna
(Akali)(League of Legends)
Nocturna - leader
(Moon Angel)(Cardcaptor Sakura)
Yama - wild card
(Lelouch)(Code Geass)
Wolf - right hand for Yama
(Villain! Deku)(BNHA AU)