When I first heard this, I was like “This sounds like Usopp”. Then I looked at the title and realized how dumb I am.

King? check! God? check! Best sniper in the world? check! Singer?! check!

Tony Tony Chopper - Yujo Wa Bannoyaku

Todoufuken Gen Ima Cruise - Luffy & Ace & Sabo

Song sung by Takehito Koyasu (Kuzan's VA)
From One Piece Nippon Judan!! 47 Cruise CD

Song sung by Kappei Yamaguchi (Usopp Seiyuu)
From One Piece Nippon Judan! 47 Cruise CD

Zoro's song from the One Piece Nippou Judan! 47 Cruise CD

One Piece Character Songs - One Piece Island Song Collection

One Piece Character Songs - One Piece Island Song Collection - ゴート島