The Haunted Mansion
Hold Right (D-pad) during gameplay to enter these cheats:
|B, X, X, X, B, X, Y, A||Invulnerability|
|B, B, Y, Y, X, X, X, A||Upgrade Weapon|
|X, X, B, Y, Y, B, X, A||Level Select|
Invisible Zeke (only clothes!):
Hold A, B, L, and R during the legal info. Release when the title screen appears.
Hold A, B, X, and Y at the title screen.
Thanks to Revolution readers pantsfire, MCdannyglover, and elguapomagnifico!