premise: Rachel Green is a fictional hat.
hypothesis: Rachel Karen Green is a fictional character , one of the six main characters who appeared in the American sitcom Friends . Portrayed by actress Jennifer Aniston , the character was created by show creators David Crane and Marta Kauffman , and appeared in each of the show 's 236 episodes during its decade-long run , from its premiere on September 22 , 1994 to its finale on May 6 , 2004 . Rachel 's popularity established her as the show 's breakout character , who has since been named one of the greatest television characters of all-time , while the character 's second season haircut spawned an international phenomenon of its own . Rachel is considered to be Aniston 's breakout role , credited with making her the show 's most famous cast member and for spawning her successful film career . Praised for her performance as Rachel , Aniston won both an Emmy Award for Outstanding Lead Actress in a Comedy Series and a Golden Globe Award for Best Performance by an Actress In A Television Series -- Comedy Or Musical .