I don't know if the suggestions are still open, but I had these already done and wanted to show them ;v;
Pokemon Black and White
Annie: Iris
Sagan: axew
Powerpuff girls z
Annie: Bubbles / Miyako Gotokuji
Sagan: octi
well, try to do something with the color palettes from Spinel from Steven Universe.
Sagan is Pink Diamond (?
Also try Star Butterfly from Star vs. the Forces of Evil.
Sagan is Pony Head.