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Fifth Beatle
Billy Preston went by The Fifth Beatle.
At various times, keyboardist Billy Preston, arranger George Martin or manager Brian Eptein have all been referred to as "the fifth Beatle". Also, a NYC DJ "Murry the K" took to calling himself this when the Beatles came to the US in 1964.
Ringo Starr
Technically there were only 4 Beatles that became famous. John Lennon, Paul McCartney, George Harrison, and Ringo Starr. However Stuart Sutcliffe and Pete Best also played in the band for a little while.
Paul McCartney's full name is James Paul McCartney
Yes there is one there, it is called John Lennon airport, it is named after the late Beatle.
As for all Beatles recordings, George Martin (the fifth Beatle) was the producer.
The Fifth Avenue bar is named after Fifth Ave. in NYC.
Pet Sounds
George Best was a professional footballer from Belfast, Northern Ireland. Some of his nicknames were 'The Fifth Beatle,' 'Belfast Boy,' and 'Georgie. '
Beatle Barkers was created in 1983.