John and Paul, but not yet George or Ringo! (5)

I believe the answer is:

popes

I'm a little stuck... Click here to teach me more about this clue!

'john and paul' is the definition.
(I've seen this in another clue)

I can't explain the remainder of the clue.

(Other definitions for popes that I've seen before include "Heads of the Roman Catholic church" , "Pontiffs" .)

I've seen this clue in The Sun.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.