Sonic Sprites. Need Help!

Well. my problem is that i'm trying to make a Sonic the Hedgehog game for RPGMakerVXAce, and i'm trying to find some character sprites. i found these, but they are arranged in a different form, the walk weirdly. NEED SOME HELP!!!  ;_;  

Cosmo the Seedrian Sprites Sonic Adv by Chrispriter on Newgrounds

Saturn Sonic Sprites by brycecarrington on Newgrounds

Sonic Mania/Unused Graphics - The Cutting Room Floor

I made a custom set of sprites for good ol' Sonic! : r/SonicTheHedgehog

DStar on X: I finally completed all 4 sprites for the Sonic Battle styled Mario portraits! #pixeart #SuperMarioBrosMovie / X

✪JX_Spindazh✪-COMMS CLOSED on X: i need help, how do i make the shading look 3d enough like the original sonic sprites, because ive been doing flat shading / X

Sonic 3 Custom Sprites by facundogomez on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Sonic (SA1 Design) - The Spriters Resource

Custom / Edited - Sonic the Hedgehog Customs - Sonic (Sonic 1 Beta-Style) - The Spriters Resource

NFG Games Presents - A Sonic the Hedgehog Sprite History