Friends characters' full names

The Friends characters' full names are: Rachel Karen Green; Phoebe Buffay (in Friends: The One Where They All Turn Thirty (2001), she says she never knew her middle name since she had never seen her birth certificate and her twin sister, Ursula, sold it to a Swedish runaway); Joseph Francis Tribbiani Jr.; Chandler Muriel Bing; Ross Eustace Geller; Monica E. Geller (it is revealed that Monica's initials are MEG but her middle name is never actually specified).