Born in April 22, 1969. Ss a fictional character on the popular U.S. television sitcom Friends (1994–2004), played by Courteney Cox. Monica was known as the "Mother Hen" of the group and her Greenwich Village apartment was one of the group's main gathering places. Monica is Ross's younger sister, and the daughter of Jack and Judy Geller. Monica, like the rest of her family, is Jewish.