Sonic doesn't care about copyright laws. : r/SonicTheHedgehog

Sonic Origins' Anniversary Mode is its secret weapon

Sonic the Hedgehog movie has a score of 44 on Metacritic (Now 46) - My Nintendo News

When will Sonic the Hedgehog enter the public domain? : r/SonicTheHedgehog

At least they care : r/SonicTheHedgehog

Sega confirms Sonic 3 won't have its original music in Sonic Origins. Here's what will be missing, and why

Sega Ages Sonic the Hedgehog 2 first details, screenshots - Gematsu

Sonic the Hedgehog 2 - Rotten Tomatoes

No copyright law in the universe is going to stop me! Sonic (Sonic Colours) : r/SonicTheHedgehog

Sonic The Hedgehog Classic on the App Store

How to complete 'Sonic the Hedgehog' in the shortest time possible

The Fastest Thing Alive on Film: Sonic the Hedgehog's Journey from Pixels to Motion Picture(s)

Movie Review: Sonic the Hedgehog 2 - CinemaNerdz