Bull Sharks, oh that wouldnt be nice. Remember the poor guards have to work for those bit.., persons, I would hate to be the underpaid "Help" that has to listen to that on a regular basics. I think one of them will solve the problem at the sorce if it gets any worse.
Keep the ideas coming though! This is a good think tank :0

"You look like SNOOPY and it makes me smile, but you have smelly dog farts."