My undertale au fan idea, because everyone on this god forsaken planet has created one. This was inspired by AbsolLover666's game, go check it out, its dope:https://gamejolt.com/games/ae/359981(also pls dont hate me pls)
AEwVS: Beneath the Rubble
Alice = T oriel
The Fat Pigeon = Flowey
Viktor = sans
Marzia = Papyrus
Doggos = Greater Dog
Mr Mix = Muffet
Chara = Albert
Asriel = ???
Phonty = Mettaton
Gregory = Napstablook
The Nani Pigeon = Temmie
The Head Teacher = Asgore
Anti-Breather and Freek-a-delka = The Amalgamates
And yeah, those are my current ideas for the AEwVS x Undertale cast. You guys can add ideas if you want(again pls dont h8 me for this).