Ginny felt extremly relieved when he mentioned Filch, so casually, it was obvious that they would know of him. True by saying Gryffindor she'd stated she was part of Hogwarts, but she hadn't even guessed that the people from this time didn't know their procedence.
Was she a troublemaker? She'd gone into trouble from time to time, specially with Umbridge, but generally she was tame, a few detentions here and there but she couldn't compare with the twins. "Not really, just when there is a good reason, my brothers though have some amazing career at prank pulling" Her face may have sadened a little in the thought of Fred, but she swallowed her angst, Fred wouldn't like her unhappy now would he?
"Aye, aye though I thought that was peeves function"