The "Speed Demon" is from Pixelbit0 cause that is MobiusFell Sonic's theme. Anyways, heres the roles:

Tristanlagreato is Gnomed (CONFIRMED)

Shifted Stars / Fallen Shift Overworld Chara and Asriel Sprite.

Sprites by: CARNO-POWER

Happy 10th Anniversary, Undertale!

Hollow!NeoFreshSans

He's CORE!Frisk assistant.

@Magnoentry33 is a Jolter to Watch and pixel artist in search of true freedom within you! Follow @Magnoentry33 before the quest ends on September 23 and you'll get Coins!

NeoFreshSans.exe / Bloody Fresh and Sonic.exe...

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* You feel Neo has been possessed by Sonic.exe...

1. Neo!Sans Sprite: Done.

2.MG!Tale Sans(My Take): NOPE.

Happy 10th Anniversary to Undertale from Team Marine

Sonic can do anything!

and.... Underpants Frisk stalk lol

Underpants by: Sr Pelo