Be polite, that's pretty obvious. Have fun, that's an order. Everything else is pretty self explanatory, oui?
EXAMPLE
Person One: Latias Person Two: Spearow Person Three: Tepig
EXTRA
Feel free to post sprites, pictures, anything. Make this fun. Don't remake this thread until 900 pages, though, I doubt it will get that far. Try to be the very best, like no one ever was.