Shadow the Hedgehog (Sonic Prime), Heroes Wiki

Amy Rose (Sonic Prime), Heroes Wiki

Rouge the Bat (Sonic Prime), Heroes Wiki

Sonic Prime / Characters - TV Tropes

Shadow - Sonic Wiki - Neoseeker

Sonic the Hedgehog (Sonic Prime), Heroes Wiki

Sonic Prime - Sonic Vs. Shadow Clip

So, a new Sonic Prime trailer just dropped and I found this theory on Twitter, thoughts? : r/SonicTheHedgehog

Shadow the Hedgehog (Sonic X), Heroes Wiki

Sonic the Hedgehog (Prime Universe), Sonic Villains Wiki