This is the kind of stuff I have in mind:
-Rezqueen has potential to utilize her horns for picking up and throwing objects and enemies, brute force to charge through obstacles with Mario riding on her back and a number of fire attacks.
View attachment 232771
-Jakitu has her mechanically enhanced cloud that can move across dangerous terrain like Lakilester but also has a super jump using a spring and a number of electrical attacks and abilities (could spin around Mario to give him temporary Zap Tap Badge effects), while Jaki herself can throw Spinies and use her mechanics knowledge for different functions like puzzles.
View attachment 232772