Monica Geller would eventually become popular staples of the show. Several months before "Friends" premiered, NBC had conducted a research report, the results of which determined that Monica was the only character to have been remotely well received by test audiences. When "Friends" first aired, critics initially perceived Monica – who was immediately established as the show's "mother hen" – and Cox as the series' main character and star, respectively. Critics have been largely receptive towards both Cox and her character; the "Los Angeles Times" holds Cox's acting responsible for disproving the stigma that attractive women are incapable of delivering comedic performances.
Monica Geller up getting married, which just goes to show that some one night stands are meant to last." Monica and Ross' relationship was also influential. According to Kriti Tulsiani of IBNLive, the characters "provide a perfect exception to the myth that one cannot find a best friend in their sibling particularly when they are of opposite sex ... they have broken all the conventional boundaries of a brother-sister relationship." PopSugar ranked Monica and Ross fifth on the website's list of "The 9 Best Sibling Relationships From '90s TV" Immediately established as one of the show's primary settings, Monica's large Greenwich Village