The Sprite Cemetery/The People's Sprites: Sonic the Hedgehog Annex. Sonia the Hedgehog by Magic Man/Groovy Ash.

Pixilart - Sonic Advance Sprites by atobin0002

ArtStation - A Bunch Of Sonic Advance-Styled Sprites

Sonic Advance 3 Sprite Sheets - Game Boy Advance - Sonic Galaxy.net

Sonic Advance 1 Sprite Sheet - 522x998 PNG Download - PNGkit

Modern Modgen Sonic Vs Advance Sonic 1 Part - Comic Studio

Do you have a favorite Sonic sprite?

Bean & Bark Sonic Advance Battle Style Sprites by TheHoennest on Newgrounds

Sonic Advance 4 Teaser Trailer - Comic Studio

Tried to recreate Super Sonic's pose in Sonic X in Advance form. How do you think I did? (YES, This sprite is free to use, knock yourself out.) : r/SonicTheHedgehog

Sonic Sprite - Sonic Advance Sprites Png, Transparent Png - 560x750(#6642273) - PngFind