Enter your Name in Japanese
To enter your name in Japanese, highlight "New Game" and press X+A.
Hit Narcis Prince in the Face
There is a secret way to hit the Narcis Prince in the face. When he stands still and blinks 4 times, he will leave his face unprotected for one second after the 4th blink. Give him a quick jab to the face just before he tries to punch you. He will become very angry that you hit his pretty face and become much weaker for about 20 seconds or until you knock him down. This will allow you to defeat him much quicker than just hitting him in the torso.
Turn on the game, and before the Nintendo logo fades, press and hold L+R on controller 2. Then use controller 1 to play the sounds in the menu.