Sonic's first adventure for the Genesis pits him against the evil Dr. Robotnik.
Sonic & All-Stars Racing Transformed - Xbox 360 : Sega of America Inc: Video Games, sonic lego xbox
Lego News - Nintendo Life
4 New Sonic The Hedgehog Lego Sets Are Racing Into Stores In August - GameSpot
4 New Sonic The Hedgehog Lego Sets Are Racing Into Stores In August - GameSpot
Sonic the Hedgehog - Wikipedia
Sonic & Sega All-Stars Racing Review - GameSpot
4 New Sonic The Hedgehog Lego Sets Are Racing Into Stores In August - GameSpot
LEGO Unveils Four New 'Sonic the Hedgehog' Sets
Why was Sonic X-Treme cancelled instead of just delayed? Wouldn't a late arrival on the Sega Saturn have been better than no mainline game? : r/SonicTheHedgehog
Lego News - Nintendo Life
Sonic The Hedgehog: Most Up-to-Date Encyclopedia, News & Reviews