Another quick little illustration (about an hour and a half). I tried to think of the puniest, most feeble name possible for him (I apologize in advance to anyone who may actually have this name).
I added the brown scratchy background on a layer behind him, then added some dirt and aging on a layer above, to give it an old timey daguerreotype look.
Drawn in Photoshop on the graphic tablet.
Here's the original sketch of Percy. Other than making the top of his hat a bit rounder and adding a cowlick, the final didn't change much from the sketch.