Young Ziggy Stardust And The Bathroom Humor Of Mars

Young, pre-naming-himself-David-Bowie-and-becoming-the-coolest-human-alive David Jones is traveling with the Doctor, because comics, and is on an alien space station. While using the ahem facilities, we see he hasn't quite got his future lyrical genius down pat yet...

So close, David, so close...

From Doctor Who: The Eleventh Doctor #4 (2014)