The toon character could be of great use for your project as it can be customized with endless color combinations that can be created in a super simple manner directly inside Unity allowing for great variety.
Helps get rid of the annoying process of having to recreate color palette textures outside of Unity and reimporting them to find the exact color you were aiming for.
The platform material might be pink depending on the pipeline you use, just switch it out with a new material to fix it.
