You get out the Fruit of the Loom and some puffy fabric paint and go to town!
I know - perfectly logical.
Actually what truely inspired me is this book and Paula's Story Time Stitches. I wanted to participate but my brain is just tapped out. I was still stumped about Story Time Stitches and was becoming a bit desperate while reading all of the creative ways others have participated until reading to John ... ahem ... while he was on the Johnny. And then it hit me.
John needed his own set of superhero underpants.
Keep your fingers (and knees) crossed that the only Kerzap! Oof! and Splat! takes place while in the WC.