Instead of having to say your friend code, and in-game name every time you challenge
someone or someone challenges you, or when your trading, go to this website:

http://www.pokecharms.com/trainercards/

Here you can register this info and more on a trainer card and you can use it as a Forum Signature so you never have to say your friend code, or in-game name!

You can have an awesome trainer card like the one i have below!