Everyone goes a little mad sometimes, so why not on Halloween? If you're a huge Mad Men fan, there's no better way to show your love of the '60s drama than by dressing up as your favorite character on the show — especially since it ended this year. And since there are plenty of distinctive personalities, you have a lot of options for dressing up. Are you a Joan, a Megan, a Bob Benson? Here's how to put together all the looks of the show's major characters. If you've already done Mad Men to death, we have tons more Halloween inspiration here!