There is not enough statistical data to answer this question properly and without the adequate amount of information (via poll or survey data), any answer would simply be opinion based and not a substantial answer.
Well, that question could be argued about, but in my case I think it would be Sonic the Hedgehog because he is more... recent, to say.
sonic the hedgehog
sonic the hedgehog
sonic the hedgehog is more famous
sonic the hedgehog
Sonic the Hedgehog
Sonic the. Hedgehog
Sonic the Hedgehog
Sonic the Hedgehog
Sonic the Hedgehog
sonic the hedgehog
sonic the hedgehog
Sonic the hedgehog