*Partially revised by Sparky*
Tails is Kid Sonic
Amy is Girl Sonic
Knuckles is Anti Sonic
Eggman is Evil Genius Sonic
Metal Sonic is Metal Sonic
Shadow is Dark Sonic
Silver is Light Sonic
Blaze is Nega Sonic
Marine is Kid Nega Sonic (Kid Blaze)
Cream is Kid Girl Sonic (Kid Amy)
Jet is Alpha Sonic
Wave is Alpha Kid Sonic (Alpha Tails)
Storm is Alpha Anti Sonic (Alpha Knuckles)
Espio is Ninja Dark Sonic (Ninja Shadow)
Charmy is "Sonic as a child"
Vector is Charitable Sonic
Rouge is Mature Girl Sonic (Mature Amy)
Omega is Anti Dark Sonic (Anti Shadow)
Big is Peaceful Sonic
Mighty is Pacifist Sonic
Ray is Proto Kid Sonic (Proto Tails)
Vanilla is Mature Kid Girl Sonic (Mature Kid Amy (Mature Cream))
Zavok is Demon Dark Sonic (Demon Shadow)
Tangle is Sonic
Whisper is Melancholic Kid Sonic (Melancholic Tails)
Lanolin is Leader Anti Sonic (Leader Knuckles)
Jewel is Secretary Girl Sonic (Secretary Amy)
Belle is Kid Sonic (Tails)
Rough is Criminal Sonic
Tumble is Criminal Sonic
Clutch is Greedy Sonic
Surge is Evil Sonic
Kit is Evil Kid Sonic (Evil Tails)