After Rosalina, are there any newer major Mario characters?

It's no secret that Mario has a huge assortment of Mario characters. This not only include any playable characters that the series introduced, but also the non-playable characters and enemies are also part of Mario's huge cast. However! If you have taken a glance at the Mario games, you might

Mario Kart characters guide

Assuming there are other unannounced playable characters, which

Rosalina & Luma (SSB4) - SmashWiki, the Super Smash Bros. wiki

Rosalina in Super Mario 3D World is an Amazing Addition

Rosalina, Heroes Wiki

Characters of the Mario franchise - Wikipedia

Sarzi Super Mario Rosalina Plush Toy 8 Inch Birthday Gift, Blue

Why is Rosalina so such a beloved and popular character? : r/Mario

Rosalina - Mario Party Legacy

Rosalina, Raving Rabbids Wiki

Character Chronicle: Rosalina – Source Gaming

10 Missing Characters We Want To See In Super Mario Bros 2

Yoshi - Super Mario Wiki, the Mario encyclopedia

20 Female Characters from the Mario Universe - A Comprehensive List

5 The Super Mario Bros. Movie Spin-offs That Could Change the Game