Potter pal Weasley (3)
I believe the answer is:
ron
'potter pal weasley' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ron that I've seen before include "Man" , "L. - Hubbard, US sci-fi writer" , "Shortened man's name" , "--- Weasley, Harry Potter pal" , "Short man's name" .)