Yu Yu Hakusho 3: Tokubetsuhen cheats-Super NES Cheats - Play Station Ghost

Morph Characters
Turn on the game and wait for the PRESENTED BY screen to appear. Once it is fully visible, quickly press B, A, B, Y, B, A, B, Y. A voice will confirm the code.

To use it, highlight any of the morphing characters then press L to morph them on-screen.