They actually remade the original Sonic 1 title screen sprites for

Sonic 3 Sprites GIFs

Sonic sprite animation

Smooth out sprite animations - Interprite

A little pause [Sonic 3 A.I.R.] [Questions]

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

Adventure Sonic (SA-Sonic) Progress

Pixilart - sonic battle sprite work by TyphoonGames

Tails Miles Prower Running Sticker - Tails Miles Prower Running

Ok this is really common, people say that the sonic 3 Sprite looks weird, and also they prefer the sonic 2 Sprite. Honestly I prefer the sonic 3 Sprite. I don't know

Sonic.exe/Exemonster - New Sprite Animation 2. by MarceloHatsuneBlue32 on DeviantArt