There are only so many years that your kids will want to coordinate their Halloween costumes with each other. If you want to really make the most of that time, here are excellent dress-up options -- from fairy tale characters to matching toy outfits -- for siblings, cousins, or heck, even BFFs.
Need more Halloween ideas? See our costumes for families, babies, moms-to-be and more. If you have a costume you'd like us to feature, send a photo to HPPHalloween@huffingtonpost.com and you may be in an upcoming story.