After a tiring day full of jokes, pranks, and causing pandemonium at school, George and Harold used to run to the old treehouse in George's yard. Inside the treehouse there were two old, large, comfortable armchairs, a table, a cupboard packed with chips, cheese puffs, and chocolates, and a crate, locked with a padlock, overflowing with pencils, pens, and stacks of paper.
You see, Harold liked to sketch and George liked to make up stories. And together, the two boys spent endless hours writing and drawing their own comic stories. Over the years, they created hundreds of comics featuring dozens of their own superheroes. First there was "Dog Man," then "Timmy, the Talking Toilet," and then the unforgettable "Incredible Cow Woman." But the greatest hero of all time was none other than "The Amazing Captain Underpants."