Too funny!
[br style="color: rgb(0, 0, 191);"][a style="color: rgb(0, 0, 191);" href="vny!://www.youtube.com/watch?v=J8CCYegbg_I"]vny!://www.youtube.com/watch?v=J8CCYegbg_I[/a]
Replace the mirror in a bathroom with a window pane, place a set of identical twins in identical rooms opposite each other and proceed to prank everyone who walks in.