Findings:

• Slam the Hedgehog (user)
• Sonic the Hedgehog 3
• Sonic the Hedgehog Pocket Adventure
• Knuckles the Echidna in Sonic the Hedgehog 2
• HedgeHog Evil (user)
• The fox knows many things, but the hedgehog knows one big thing.
• Sonic the Hedgehog speed record
• Hedgehog Stew
• Sonic the Hedgehog 2 Beta
• Sonic hedgehog
• Hedgehog pie
• Lame blue poems around one hedgehog
• The Elegance of the Hedgehog
• The Adventures of Sonic The Hedgehog
• Segasonic
• SegaSonic Arcade
• Hedgehog's Dilemma
• Sonic the Hedgehog
• The Hedgehog Can Never Be Buggered At All
• Sea hedgehog
• The Fox and the Hedgehog
• Hedgehog Emperor (user)
• hedgehog
• hedgehog crisps
• hedgehog (user)
• Czech Hedgehog
• Hans the Hedgehog
• The Hare and the Hedgehog
• hedgehog cactus
• Shadow the Hedgehog
• Sonic the Hedgehog: Triple Trouble
• Sonic the Hedgehog 2

If you Log in you could create a "Segasonic the Hedgehog" node. If you don't already have an account, you can register here.