So when Peter Molyneux heard that the humor of his games was comparable to that of Monty Python, guess how he reacted? He hired John Cleese to be your butler in the third game!
There are achievements for marrying (You married another player! N.B. Marriage not binding in any real court of law.) and having a child (We all knew this day would come. Having children online is finally a reality.) with another player over Xbox Live.