Exactly what's hidden here?

What's the name of the girl in Petalburg who's waiting patiently for Koops's return?

Goomba, Lava Bubble, Buzzy Beetle, and Boo. How many feet do they have? Total!

Where was the one, the only, Diamond Star?

What was the name of the very first champion of the Glitz Pit?

What did Francesca and Frankie from Rogueport lose on Keelhaul Key?

What number question is this?

This is a recreation of the 66th Trivia Quiz-Off from Paper Mario: The Thousand-Year Door. Photo credit to Mario Wiki and for listing all of these questions.