Antonio was in complete shock from what had just happened, though now he knew for sure that Peeves was really at the school. There was only one thing that could do this, a force even sneakier and more devious than the Moiser twins. "You saw that, huh?", he asked Clifford, performing a spell to get the ink out of his hair. "I believe that spirit was Peeves, a poltergeist who has been known to frequent Hogwarts in years past. I don't know why, exactly, but it would appear that he and possibly a few other house ghosts have decided to return to our fair halls, but let's keep that confidential for now. And I'm sorry you had to see that!" Antonio looked around, wondering how he might wreak vengeance on the little ghost. There were things he had heard, though he wasn't sure whether they would work or not.