Would making a sonic game get me into copyright? - Art Design Support - Developer Forum

Why I think the Sonic Adventure games are works of art! (I miss the old Sonic Team) - SEGA - Panzer Dragoon Legacy

Sonic SNES Game Art Cover by LucasDash-dA on DeviantArt

Sonic the Hedgehog (Archie Comics) - Wikipedia

How does Sega feel about Fan stuff and copyright issues? : r/SonicTheHedgehog

Gamefam Teams Up with SEGA to Bring Sonic the Hedgehog to Roblox

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

We Asked A.I. to Create the Joker. It Generated a Copyrighted Image. - The New York Times

Which logo looks more appealing? - Art Design Support - Developer Forum

Comic Book Artist Sues Sega For Copyright Infringement Over Sonic The Hedgehog Video Game — Los Angeles Intellectual Property Trademark Attorney Blog — June 9, 2011