File:Sonic 10.png - Sonic Retro

Sonic the Hedgehog - Sonic Retro

File:Sonicchannel sonic02 nocircle.png - Sonic Retro

Sonic Multi : MarkeyJester : Free Download, Borrow, and Streaming : Internet Archive

Sonic the Hedgehog Theme : Windows95.com : Free Download, Borrow, and Streaming : Internet Archive

Sonic Hacking Contest :: The SHC2020 Contest :: Mighty & Ray in Sonic 2 :: By campbellsonic

Proto:Sonic the Hedgehog CD (Sega CD)/Ver0.02 - The Cutting Room Floor

The 10 Best Sonic Games - IGN

The 10 Best Sonic Games - IGN

Sonic Classic Heroes : flamewing/ColinC10 : Free Download, Borrow, and Streaming : Internet Archive

Retro Graphics Toolkit Sonic Stuff Research Group

Sonic The Hedgehog Is A White Cartoon With Red Sonics Background, A Picture Of Tails, Animal, Nature Background Image And Wallpaper for Free Download