I will probably be making finalized references for them after some time but these are the concepts for now

Thanks alot for these infos, I never knew who the actual artist on that video was so thanks : D

Im gonna try recreating some of sonic artstyles for the time being

imo all your sonic related content are really good, maybe thats one of the reasons why

Horrortale by Sour-Apple-Studios
Negativetale by Valensealover (Designs taken from takes by D4niztic and my own interpretation)
Hardtale by CedDrawsNear (Designs/Take by me)

Credits:
Undertale by Toby Fox
Underfell by Vic
Underswap by p0pcornPr1nce/morty/Hatsune Miku
Outertale by 2mi127 (Take by Piesprite)
Dusttale by Osteophile/Ask-Dusttale (Designs by me)