Tintin, the encyclopedia of stuff

Have you ever noticed how incredibly useful Tintin is when you need an idea for something?  There's so much information crammed into every book.  I often used to turn to it if I needed to find a design for a face, a posture or a colour scheme...  then I stopped when I realised how many other people were doing it too!

Here's a page of faces from an old sketchbook:

Obelix makes a cameo at the bottom ^-^