one who engages in shenanagans
one who commits follish acts, usually knowingly, these acts are rarely very dangerous but often annoying to the shenanaganee
they can be cheeky and fun
"Look at that shenanaganizer stealing babies in the park and replacing them with fragile water balloons."
"Did some shenanaganizers steal all the outgoing mail at the post office and replace it with one subsriction order for playboy for each letter each person sent, again?"