At the start of the show Matt wondered how the listeners imagined him based on Conans descriptions. I think I can help, I have no idea what Mr. Gourley looks like but I have listened to all of the podcasts.
The image portrayed suggests a hipster/steam punk vibe. I picture Matt as relatively tall, edging towards portly but not overweight.
Facially I imagine black rimmed glasses above a thin trimmed beard. As Matts clothing choices have been discussed at length I feel his perfect outfit to be corduroy trousers and thick tweed jacket over a plain linen shirt adorned with a boot lace tie.
I may be wrong but that is how I picture this mythical beast and I never want to see a picture of him unless, of course, I'm absolutely right on the money.