There is a glitch where the player's colour scheme can be changed.

This is done through:
1. Starting a game as either a boy or a girl and saving.
2. Starting a new game as the opposite gender.
3. Save the game, but turn it off while it says "SAVING...DO NOT TURN OFF THE POWER".
4. When the player restarts, his or her character should be the wrong color.

You can do this without starting a new game but doing so with Pokemon in your PC will cause them to be lost.

Performing this glitch also unlocks Mystery Gift.