Posion: Similar to his OG. But he gains his powers as he kidnapped the smart kid in his high school, and forced them to gain the powers, but the cost is His eyes (looking like He og), so he wears sunglasses to hide them

Indigo: Just fully EarthBound. That's it.

Niku: A single, divorced Mother born immortal. A psycho killer kidnapped her, forced her 3 kids against her, forced to be food for her kids.

Majin and Amy soon

(Did I cook @Topperlad ?)