Sonic 1991 by TsuyoXMR on Newgrounds

Classic? Modern? Boom?? Sorry idk them, I am just gonna take my Sonic Sprite design with me

Tails is pissed by TsuyoXMR on Newgrounds

Sleeping in the subway 🚈 (Credit to Legoguy9875 on DeviantArt!) : r/SonicTheHedgehog

Gamma: Child, Page 1 by Okida on DeviantArt

2170314 - safe, artist:legoguy9875, banned from derpibooru, deleted from derpibooru, derpibooru import, ponified, pony, 3d, classic sonic, cosmo, crossover, miles tails prower, sonic the hedgehog, sonic the hedgehog (series), source filmmaker - Twibooru

South of the C by Sonic-1991 on Newgrounds

Zetsubo by Daris-FlameFox on DeviantArt

Sonic RPG part 1

American Sonic from 1991 by MKdoes711 on Newgrounds

June 23 1991 by pankerdotpng on Newgrounds