US Version of SSBB, can you change the audio to Japanese?

Classic Fighting Games Super Smash Brothers Brawl
1

is there a way to change the audio to Japanese? Unlocking or something? Or do i have to buy a Japanese Wii/Action Replay ?

I really, really dislike English Pit’s F+B. I want Japanese Pit’s F+B, dangit.

2

Nope.

3

terrible. =(