A secret was lurking behind a paper towel dispenser until it was recently discovered. When the dispenser was pulled out of the wall, college students found a shine to, of all people, Danny DeVito! It turns out lots of other strange and stranger things have been found behind walls. Brian Hartig was renovating his Brooklyn brownstone when he found a report card from 1950. Others have reported finding animals in their walls, from kittens to bees.