Markowitz based the character on a former boss , claiming she was " very sexually aggressive with everybody " . When writing the script , Markowitz intended for the role to go to Aniston . He stated , " but [ the aforementioned boss ] looked more like Cruella de Vil . It was like flirting with a cobweb . So I decided for the sake of the movie , let ’ s go with Jennifer Aniston . ” The actress insisted on wearing a brown wig for the role , wanting to look different from other characters she had played .