It depends what you mean by "Beatle"; Lennon founded the Quarrymen (which would later become The Beatles) in 1957. The band changed their name to the Beatles in August 1960. The band didn't get it's final line-up of John, Paul, George and Ringo until 1962 (when Ringo joined).
John lennon.
John Lennon he was a Beatle so that helps
for being a beatle
John Lennon was the Beatle without a mustache in Let It Be.
John Lennon
John Lennon.
John Lennon
It was John Lennon
John Lennon.
John Lennon
Probably John Lennon
John Lennon