The lil red white and blue thing on Purple guys hair looks like the France flag(Pretty good drawing tbh)

something more is missing but..

I Don't play deltarune is deltarune related to Undertale?

I dare you to draw spamton

Been a long time since I last played deltarune but I'll try to name all of them. Top left is Susie... top right is... I can't remember but I think it started with J? Bottom left is Kris and bottom right is Ralsei.

Ooooh its undertale-