Castle Bowser - Super Mario Wiki, the Mario encyclopedia

Castle Bowser is a form that Bowser takes on in Super Mario Bros. Wonder, and is the main threat that Mario and his friends must stop throughout the game. The form is the combination of Bowser, his Koopa Clown Car, and the Flower Castle, created when Bowser comes into contact

Koopalings - Super Mario Wiki, the Mario encyclopedia

Yoshi (character), MarioWiki

Airship - Super Mario Wiki, the Mario encyclopedia

Roy Koopa - Super Mario Wiki, the Mario encyclopedia

Front Door, MarioWiki

Yoshi - Super Mario Wiki, the Mario encyclopedia

Bowser's Castle, P.M. Universe Wiki

Super Mario - Wikipedia

World 8 (New Super Mario Bros. Wii) - Super Mario Wiki, the Mario encyclopedia

Fake Bowser - Super Mario Wiki, the Mario encyclopedia

Koopa Clown Car - Super Mario Wiki, the Mario encyclopedia

Bowser Statue - Super Mario Wiki, the Mario encyclopedia

Flagpole, Wii Wiki

King Bowser's Castle (Super Mario World 2: Yoshi's Island) - Super Mario Wiki, the Mario encyclopedia