Carl is the Rottweiler protagonist in a series of textless children's books where a child's mother repeatedly leaves her in the care of the dog, Carl, for several hours before returning completely unwaware of the madcap adventures and zany hijinks that have taken place while she was gone (stuff like, "oh snap! Carl got into the jelly again!"). I've looked at these books with Juniper so many times I am banging my head against the cardboard out of boredom, such boredom that I began to wonder what a Carl book would be like if the baby's mother was a hobo: