Here's all the course images with Penguin Luigi (source from Mario wiki) : r/MarioKartTour

Fire Mario - Super Mario Wiki, the Mario encyclopedia

Franchise Festival #49: Mario (2D) – The Avocado

Super Mario Maker - Super Mario Wiki, the Mario encyclopedia

winstein's art that are drawn by him, take a look if you want

Here's all the course images with Penguin Luigi (source from Mario

Baby Mario, MarioWiki

winstein's art that are drawn by him, take a look if you want

Tanooki Mario - Super Mario Wiki, the Mario encyclopedia

winstein's art that are drawn by him, take a look if you want

Here's all the course images with Penguin Luigi (source from Mario

Donkey Kong (character), MarioWiki

Kamek, MarioWiki