Sega Mega Drive Advanced Gaming magazine Sonic the Hedgehog cover.

Sega Mega Drive Advanced Gaming magazine Sonic the Hedgehog cover.

GamePro magazine, and slightly off-model Sonic the Hedgehogs are always fun.

GamePro magazine, and slightly off-model Sonic the Hedgehogs are always fun.

Sega Mega World.

Sega Mega World.

Sonic the Hedgehog from Megadrive Fan magazine.

Sonic the Hedgehog from Megadrive Fan magazine.

Sonic and Tails, Game Gear.

Sonic and Tails, Game Gear.

Sonic Drift, Game Gear.

Sonic Drift, Game Gear.

Sonic the Hedgehog merchandise.

Sonic the Hedgehog merchandise.

Sonic the Hedgehog 2, Genesis / Megadrive.

Sonic the Hedgehog 2, Genesis / Megadrive.

Sonic CD 20th anniversary soundtrack.

Sonic CD 20th anniversary soundtrack.

Sega News magazine.

Sega News magazine.