Ekaterina tsaturova (Princess Sparkle,) is main heroine (protagonist)

rainbow foxes, Ginji, Tobirama, Bumblebee, Grimlock, Sideswipe, Strongarm and mini-cons are main characters

Warriors of justice are main Deuteragonists

Shizuki is main Tritagonist

Yomeko, Yoshida, Umeko, Takashi, Minori and Amaya are main Tetartagonists

Hobi and Batsu are main Pentagonists

Gods, angels and benevolent spirits are main Hexagonists

Good Spinel is main Heptagonist

DaiTenshi the cosmic angels of harmony are Main Octagonists

Megatron Uchiwa (Galvatron or Delgatron), Soundwave, Puppet, Hessonite and Kaguya Otsutsuki are main Sentagonists

Starscream, Vampires and Neutrals

Monochrome foxes are Main Antagonists

Bad is Main villain (antagonist)

Rainbow foxes' sidekicks and friends are secondary characters

Monochrome foxes' henchmen are secondary antagonists

Drago is tertiary antagonist

Clans-families, Hagoromo Otsutsuki, Optimus Prime and Hamura Otsutsuki are major characters

Ekaterina's family and cousins are Minor Characters

Akio, Akiko, Oda Primus, Prima and others are overarching and supporting characters

Mizoku, Devils, demons and malevolent monsters including Unicron are overarching and
supporting
antagonists