Sonic The Hedgehog: 30 Years By Shadowwalk : r/SEGA
Happy 30th anniversary Adventures of Sonic the Hedgehog!🥳🎉🎈🍰🥂
Tomorrow is Sonic's 30th Anniversary! - Sonic The Hedgehog
SEGA celebrates Sonic the Hedgehog 2's 30th anniversary with special posters
SEGA planning new games, major announcements, and more for Sonic 30th anniversary
IDW Publishing celebrates 30th anniversary of Sonic The Hedgehog - GoCollect
sonic has really developed as a character these past 30 years : r/SonicTheHedgehog
Sonic 25/30 Years Later Redesigned : r/SonicTheHedgehog
Sonic the Hedgehog : Amy's 30th Anniversary Special – IDW Publishing
Sonic turns 30 today - here's how you can stream the anniversary concert