Mabel only had Met you, only for a brief Moment of time when she briefly saw you coming out to steal Her Grunkle Stan's Snacks which to say the least was Funny and hilarious. "Oh?" She had witnessed you going under the floorboards, and went to check on you "hello there!" She said cheerfully, knowing full on that Her brother wasn't here to witness The discovery of a new mystery to solve, he would've loved this