John is a heck of a guy! he surely is the best of the four, after hes the one who started the beatles with all their first hits!
Then maybe George would be second for his strong influence in the beatles's music, for example in Revolver!
Then Paul, who has a great voice and good ideas, he had the idea of Magical Mystery Tour.
Then Ringo, well...he is Ringo...he wasnt execptional though he fitted well with the beatles...