SEGA - This is Sonic the Hedgehog, born 23 years ago in 1991. We

23 Sonic facts to know on Sonic's 23rd Birthday » SEGAbits - #1 Source for SEGA News

30 Years Of Sonic The Hedgehog - The Many Faces Of Mario's Biggest Rival

Evolution of SONIC THE HEDGEHOG - 31 Years Explained

Sonic the Hedgehog (2006 video game) - Wikipedia

Sega Bio: Sonic the Hedgehog by FrostTheHobidon on DeviantArt

30 Years Of Sonic The Hedgehog - The Many Faces Of Mario's Biggest Rival

Imagine it's 1991 and you ask your parents for the new Sonic game for Christmas, but you get this. : r/gaming

Happy Birthday, Sonic the Hedgehog? - Sonic Retro

Sonic the HEDGEHOG ID Card / Drivers License

SONIC-TOLOGY (the church of sonic the hedgehog)

Sonic boom: Sega designer tells the origin story of a gaming legend

Daily Operation: Sega Releases Sonic the Hedgehog (June 23, 1991)

Sonic the Hedgehog still running fast for Sega

SEGA - This is Sonic the Hedgehog, born 23 years ago in 1991. We've dug up this illustration of Classic Sonic that was sent out in an internal memo during that time.

How Sonic the Hedgehog Sped Past the Competition