List:

Clone Tails (CT): Sans

15' Golden Sonic: Flowet

Phantom Amy: Napstablook

Shadow Sonic: Chara

Clone Sonic (CS): Papyrus

Knuckles (Knux): Frisk

Salvage Sonic: Mad Dummy

The Toymare: Mad Mew Mew

Toy Sonic (TS): Mettaton (Normal/EX)

CT Genocide Route

Taingle: Muffet

Chao and Omochao: Temmie and Tem

Silver: MK

Omega Golden Sonic: Omega Flowey

Lefty Sonic: Toriel

Origin Sonic: Asriel (kid)

Clone Mario (CM): Alphys

Luigi: Asgore

Clone Yoshi (CY): Undyne

Origin Sonic (Phase 1): Asriel Dreemurr

Toy Sonic NEO: Mettaton (Neo)

Yoshi The Eternal: Undyne The Undying

Origin Sonic, The God of HyperDeath: Asriel Dreemurr, The God of HyperDeath

CT's Blaster

Toy Tails (TT)

Dr. P. Ian

All this was done in collaboration with @CloneTails , for the creation of his AU