ClownPierce, otherwise known as Clown, is the antagonistic ruler of the Nether. Throughout the series, he is portrayed as ruthless, cruel, and greed.

Wemmbu is a primary protagonists of Unstable Universe. Throughout the series, he is portrayed as competitive, volatile, and playful.

FlameFrags, known otherwise as Flame, is a primary protagonists of Unstable Universe. Throughout the series, he is portrayed as proud, resilient, and stubborn.

TheobaldTheBird, otherwise known as Theo, is Parrot's deuteragonist. Throughout the series, he is presented as aggressive, charismatic, and protective.

PrinceZam, otherwise known as Zam, was an antagonist during Season 1 and later became Spoke's (obligated) tritagonist in Season 2. Throughout the series, he is portrayed as ambitious, paranoid, and tenacious.

ManePear, also known simply as Mane, is a supporting character in Unstable Universe known for mentoring FlameFrags and Wemmbu and his skills with a spear.

ParrotX2, otherwise known as Parrot, is a primary protagonists of Unstable Universe. Throughout the series, he is portrayed as intelligent, caring, and idealistic.

SpokeIsHere, otherwise known as Spoke, is a primary protagonists of Unstable Universe. Throughout the series, he is portrayed as cocky, determined, and cunning.

JamatoP, otherwise known as Jamato, was Spoke's former best friend and the former leader of NULL. Throughout the series, he is portrayed as determined, clever, and self-righteous.

LettuceK, otherwise known as Lettuce, is the founder and former leader of The Law. Throughout the series, he is portrayed as being strategic, resolute, and charismatic.