The lead guitarist for The Easybeats (best known for “Friday On My Mind”) is the older brother of Malcolm and Angus Young from AC/DC, George Young. Stephen Stills auditioned to be in The Monkees. John Lennon co-wrote David Bowie’s “Fame” Elton John’s full stage name is Elton Hercules John.
Actually, the Beatles’ original name was The Quarrymen. They later became Johnny and the Moondogs, but that wasn’t their original name.