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

lookin' good, spongebob.

Hollow!NeoFreshSans

He's CORE!Frisk assistant.

hey guys heres my art

Painted Plummet Jaiden Sprite Sheet

Sprites by: Ellistandardbros at DeviantArt

when bad time, Animus start plays and a few seconds, you hear "You're disgrace, look what you've done."

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.

Shifted Stars / Fallen Shift Overworld Chara and Asriel Sprite.

Sprites by: CARNO-POWER

done. Gildedguy and OwOdozer art. @Bonnieboi I think you know GildedGuy?

Sonic can do anything!

and.... Underpants Frisk stalk lol

Underpants by: Sr Pelo