This should be Wario's...

[Shoonsh]

This suit.

Spoiler

He would make a great Red Ranger... Right?

 

[Metal]

magic being an euphemism for flatulences

All of these should have been Wario's tbh

 

[Crescent-Moon Villager]

Spoiler

: "This-a shoulda been mine!"

 

[Robin]

Honestly, it's only canon to say this should be Wario's:

Spoiler: This should be Wario's

 

[The 3rd Wario Brother]

Spoiler

 

[Boppity BopPop]

THIS should be Wario's

Spoiler

 

[Yikes Spike]

Wario should've been an Nintendo Switch exclusive playable character in this game:

No wonder why it got shut down months later after release.