So, they are called the Mario brothers if Mario is the main character
But if you made a Duo game with Luigi in the center, would you call them the Luigi Brothers?
But if you made a Duo game with Luigi in the center, would you call them the Luigi Brothers?
Officially, their last name is Mario, which makes his name Luigi Mario (and yes, Mario's name is then Mario Mario)
All I can think of is this
https://pics.me.me/safcly-endangered-hey-its-the-ahri-sisters-mama-why-you-20450909.png