Basically, a version of the Undertale multiverse where everyone's a little crazy.

Currently, these are all the AV characters:

(**Sa:**) Sans [AV!Classic]

(**Lc:**) Lucas [AV!Dream]

(**Ad:**) Adynn [AV!Science]

(**St:**) Star [AV!Outer]

(**Re:**) Redd [AV!Underfell]

(**Ra:**) Rain [AV!Ink]

(**Ax:**) Axxyl [AV!Swap]

(**Ln:**) Lunatis [AV!Nightmare]

(**Du:**) Dustin [AV!Dust]

(**Yu:**) Yūrei [AV!Horror]

(**Ek:**) Ekko [AV!Killer]

(**Bu:**) 'Buggy' [AV!Error]

(**Ge:**) Geno [AV!Geno]

(**An:**) Anx [AV!Anxiety]

(**Au:**) Audi [AV!ADHD(+autism)]

(**So:**) Somni [AV!Somniphobia]

(**Co:**) Core [AV!Core!Frisk]