Spaced (series 2) Easter Egg - The Mighty Tharg!

In the 2nd episode of series 2, right after the scene where Tim shouts at a small boy, Bilbo takes him to the back of the shop. Looking closely, you can see Bilbo's shirts says 2000 AD and behind him on the shelf is the actual mask of Tharg the Mighty, editor of 2000 AD comics, which was given to Simon Pegg by him persoanlly.