Timelords, Wizards, and Superheros!

One thing Rose and I love doing is coloring! So we have several coloring books that we like to use. Plus our printer will create coloring book pages of things we scan. Thus we have an endless supply to redo the same picture over and over. And we don't have to fight over who gets to do what pages. The coloring books that we have are: The Doctor Who Coloring Book, Harry Potter Magical Places & Characters Coloring Book, Dead Pool Coloring Book, and The Doctor Who Travels in Time Coloring Book.

What is your favorite coloring book? Or what movie/show/game would you like turned into a coloring book?