They were much more than just pranksters. Yes, they loved the jokes and the laughs, and sometimes at other peoples' expense, but they were never cruel, and they never wanted to hurt people just to see them hurt. And they were amazing big brothers.
How to tell Harry Potter book vs. movie fans apart: ask how they feel about Draco. If they love him, they read the books. If they don't, they only watched the movies. <<I've read the books and watched the movies but the book Draco was amazing at the end
He grew up in a world where he was told what was "right" and what was "wrong". Now he's finding out that things aren't what he had thought they were, and he's in too deep. He's a bit of a coward in the end, but he isn't "bad" necessarily.