Though that's actually why it's funny you can see the artist struggling with it. Because he failed to put the Graysons in the circus he needed to literally stick a poster over the mantle identifying them so we'd know who these people were supposed to be. It's like if Bruce went back to see his family's Christmas and the guy stuck him in this house and needed to put a big picture of Wayne Manor on the wall that said WAYNE MANOR: HOME SWEET HOME!