Lets call the pics A, B and C (moving left to right).Think of a phrase about A, which should lead you to whats common between B and C.
Easy one, I suppose. Cracked by Wasi Manazir,yossarian caulfield singhania and gandhi jr.
A – blue jay (Shoot all the bluejays you want, if you can hit ‘em, but remember it’s a sin to kill a mockingbird)
B – Truman Capote, a chilhood friend of Harper Lee. Dill’s based on him.
C – Balls Mahoney, earlier used the stage name Boo Bradley inspired from the character Boo Radley.