Classic sans: "heya kiddo we're your new neighbors next door, I'm classic sans and behind me is the Au sanses, hope we gotta long~ puns

Au sanses: was staring at you, the au sanses is cross, blue, fell, flowerfell, fellswap, horror, dust, nightmare, dream, and last but not the least geno, their nicknames is cross, blue, fell, flowfell, fellswap, horror, dust, nightmare, dream, and geno. That's their own nickname