Except this is the obvious.
Oh No! Poor Benji was the first to fall asleep and therefore the most accessible target. Madison was insisting this was immature behavior of her brothers when Jennelle, my late-20's something cousin, comes bounding into the room & says "Has Benji seen his face yet?!" Yes Madison, even adults have moments of regression. heehee
Luckily the marker came off. At least on his face. I don't know if he's found the drawings on his legs. I'm sure he has by now. If not, then... "Benji! Wash your left leg!!"