Monica Geller based the six main characters on some of their own friends and family; Monica is based on Kauffman herself. Observing that each main character was originally written as a "one-note stereotype", Jonathan Bernstein of "The Daily Telegraph" identified Monica as the group's "uptight fun-killer". When "Friends" first aired, the majority of its earliest episodes revolved around Monica, via whom each character appears to be interconnected; "Friends" stars the character's brother, her best friend, her former roommate and her two neighbors socializing in Monica's apartment. In the pilot, Monica is dumped almost immediately after sleeping with her new date Paul on
Brother and Sister Sister is categorized as its own type as number 450, "the brother and sister". Another of this type is The Lambkin and the Little Fish. At times, Brother and Sister has been confused with Hansel and Gretel, which has also been known under the alternate title of Little Brother and Little Sister. The Grimms selected Hansel and Gretel for the tale by that name and kept the Brother and Sister title for this tale. Some publications of the Hansel and Gretel tale still use the Little Brother and Little Sister title, causing confusion for readers. The story as told by