The only unfitting music is the one in METTATON ROOM 2 because like, if you are going to be making a level themed off of a specific character who has a known leitmotif (of which Undertale has in spades), you should use the music tracks associated with such character for consistent theming, at least in my opinion.
Everything else is great and fits your wild aesthetic purposes.
Modern Redrawn Mario Bros. 1.5 (last update - February 14, 2023, some new bonus frames, tons of minor touchups to various poses)
On Pixel Art Requests: Depends on what it is and if I have the time for it. If its complex and I don't have the time, don't expect me to accept it.
Projects I support:
Everything else is great and fits your wild aesthetic purposes.
Modern Redrawn Mario Bros. 1.5 (last update - February 14, 2023, some new bonus frames, tons of minor touchups to various poses)
On Pixel Art Requests: Depends on what it is and if I have the time for it. If its complex and I don't have the time, don't expect me to accept it.
Projects I support: