Super Mario Sunshine Walkthrough Part 19: Casino Boringo

What is with all the names in this game that end with an "O"? :3

Time stamps:

Sirena Beach
0:00 #4 The Secret of Casino Delfino
6:27 #5 King Boo Down Below
12:32 #6 Scrubbing Sirena Beach

Sirena Beach Menu:
https://www.youtube.com/watch?v=F_MGj6WyqLc

Level Select Menu:
https://www.youtube.com/watch?v=nvFnPr3d87E

Playlist:
https://www.youtube.com/playlist?list=PL45D142D9BB12FADF

Enjoy!