A blue hedgehog who jumped through hoops and rolled along stunning everything in his path with his rubber spines.
Sonic instantly became a cult character and appeared on key fobs, T-shirts, pencil cases and even - to the horror of parents everywhere - on ecstasy tablets.
Kids would actually buy a Sega Megadrive just to play Sonic the Hedgehog, rather than the other way round, he was so popular. Rival console makers brought out dozens of copycat games, but none could stamp on Sonic.
Sonic The Hedgehog
