With well over 600 episodes on the books, "The Simpsons" has become one of the longest running shows in TV history. That many episodes means that even the most loyal fans of the show might have trouble keeping track of all the characters introduced on the series. Take our quiz to see how many of these obscure Simpsons characters you remember!
How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!