Mini Sheet Of Modgen Classic Sonic Custom Sprites by MekanTheGuy

Submitter Profile - Mod. Gen Project Team - The Spriters Resource

Modgen Sonic Fixed Sprites by MekanTheGuy on DeviantArt

Nxxzx1468's Sonic 3 Prototype JP Edition Sprites by Abbysek on DeviantArt

Modgen Classic Sonic (TAILS UPDATE!!) [Sonic the Hedgehog (2013)] [Works In Progress]

Modgen Classic Sonic [Sonic 3 A.I.R.] [Works In Progress]

Custom Sonic Sprites Sheet - Sonic 1 Styled by AsuharaMoon on DeviantArt

Submitter Profile - Mod. Gen Project Team - The Spriters Resource

Modgen Classic Sonic redesign by MekanTheGuy on DeviantArt

Chaos Hunter - Sprite Sheet by Stydex786 on DeviantArt

Archive] RabidSonic - custom sprites (c.2000-01') by AsuharaMoon on DeviantArt

Sonic Islands: Sonic Sprite Sheet by SlashClaws271 on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - The Spriters Resource

Modgen Chaos Shadow sprite sheet (DISCONTINUED) by LoraTWolf46 on DeviantArt