Definitely Facebook. About 15,000 people get on it each day!
Though Sonic is also advertised in the site. It varies.
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
Sonic the hedgehog
Lady Gaga is currently more famous than Sonic the Hedgehog.