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 Battle, Game Boy Advance.

Sonic Battle, Game Boy Advance.

Sonic Battle, Game Boy Advance.

Sonic Battle, Game Boy Advance.

Sonic the Hedgehog merchandise.

Sonic the Hedgehog merchandise.

Ad for Sonic Battle, Game Boy Advance.

Ad for Sonic Battle, Game Boy Advance.