Scooby did what Velma's first reaction would have had her do as well.  But all his jumping had no effect on the toilet.  Shaking her head slightly, the brunette called him off.  "I don't think that will do it, Scoob.  We need to find out who installed the trap door and why.  Maybe we can ask the landlord who he brought in."<br/><br/>Looking around the small room, a small sticker caught her eye.  She'd seen it so many times before that she'd almost forgotten it was there.  "On second thought, let's skip right to the source."  The orange-sweater clad detective hurried back to her desk and opened the phone book to the plumbing page.  There it was... G Green.  She quickly jotted down the address on a scrap of paper before turning back towards the bathroom where a very confused looking Great Dane was watching her from.<br/><br/>"Come on Scooby... we have a clue!  Let's go rescue Daphne!"