What is Your Favorite Power Up Form for Sonic. Based More on

What is Sonic's most powerful form? - Quora

LEGO Ideas Sonic the Hedgehog – Green Hill Zone 21331 Collectible

If there were a form of Sonic that included all previous forms

What is Your Favorite Power Up Form for Sonic. Based More on

Sonic the Hedgehog 2's Biggest Easter Egg and Other References - IGN

What is Sonic's most powerful form? - Quora

How to get Super Sonic - The classic Sonic the Hedgehog 2 cheat

Best Sonic Games Of All Time

Sonic and the Secret Rings - Nintendo Wii : Video Games

Sonic forms (Weakest to Strongest) : r/SonicTheHedgehog

Sonic forms (Weakest to Strongest) : r/SonicTheHedgehog

Sonic the Hedgehog 2 - Plugged In