Monica E. Geller (24 april 1970) played by Courteney Cox is a fictional character in the series Friends. Monica is a neurotic type. They can't stand it as something dirty or disorganized is. Monica is present from the first episode and is the sister of the Friends character Ross Geller, played by David Schwimmer. The clear preference of her parents for Ross they leave since her early youth turn out. So they don't keep the old stuff from Monica and that of Ross, and give them the money for Monica's marriage to a beach hut. This has had strong influence on Monica: she is extremely competitive and want to continually prove.