Huh. We're nearing end of April. 01/04 is gone. Did you seriously believe that?
I suggest your friend (if he actually was being wrong but sincerely believing so) finds new doctor. Or even better, do the Class 1 first thing if he's after CPL/ATPL in the end. He should know by now if he's ever been to PPRuNe..
True, some airlines may have negative stance towards tattoos visible when wearing uniform. Search for tattoo thread that's been live recently.