1. Moaning Myrtle Via katejohns.blogspot.com Harry and Hermione costumes? So 2010. But Moaning Myrtle, that's a classy choice. But, good luck reattaching that toilet seat. 2. Amelia Bedelia X 4 Via edmondsun.com Be prepared to explain that "no indeed, this is NOT a french maid outfit, it is Amelia Bedelia" to those who don't know their kid lit. 3. Madeline Via classyinaclassroom.blogspot.com Now if you only had an old house in Paris covered in vines. 4. Olivia Via iwanttobeasuperteacher.blogspot.com She makes being a pig look good. 5. Greg from Diary of a Wimpy Kid Via projectdenneler.com From the neck down, this costume is a breeze. The head is going to require you break out those paper mâché skills we know you've been hiding. 6. The Bookworm Via blog.popcap.com What do you get when you pair up a green snuggie with glasses and a bowtie? A seriously fabulous bookworm costume. 7. Pippi Longstocking Via totallytessa.com When was the last time you wore your hair in gravity-defying pigtails? It's time. Extra points if you can scare up a pet monkey from somewhere. 8. Curious George Via carrymeaway.com Has there ever been a cuter parent/child costume? Love it! 9. The Cat in the Hat Via potpourrimommy.blogspot.com It's an oldie but goodie. Every Halloween should have a Cat in the Hat. For a group costume, pull in friends to be Thing 1, Thing 2, Thing 3, Thing 4... 10. If You Give a Mouse a Cookie Via instructables.com Hands down, this is one of the easiest costumes you could ever make at home. We suggest handing out cookies for the win. 11. Emily Elizabeth and Her Big Red Dog, Clifford Via kathiflyart.blogspot.com Okay fashionistas, this one is for you. If you don't have these items in your closet already, then we just gave you an excuse to go shopping! 12. Little Red Riding Hood Via ravelry.com The red cloak seals the deal with this costume. You can pretty much wear any dress underneath. Of course, don't overlook the little details. You still need your basket of goodies for Grandma. 13. The Very Hungry Caterpillar Via cassiestephens.blogspot.com Here's another genius group costume! Be the caterpillar. Your kids can be different food items the caterpillar eats. HA! 14. Eloise Via peoplewebs.blogspot.com Style, sass, and LOTS of energy. That's what you'll need to pull off the NYC charm of Eloise. Dog is optional but encouraged. 15. Anne of Green Gables Via theheroinesbookshelf.com Keep the classics alive! 16. Mrs. Frizzle from The Magic Schoolbus Via preppywithatwist.tumblr.com Decorating the dress is 90% of the fun with this costume. 17. The Lorax Speak for the trees. This message is just as important today as it was when the book first came out in 1971. 18. Miss Viola Swamp from Miss Nelson is Missing Via tumblr.com Let's be honest; most people can't pull Miss Viola off. But if you can...we bow down to you. 19. I Spy Via tpcraft.blogspot.com A WALKING I SPY COSTUME!!! This might be our favorite one yet. Kids or grownups everywhere will love, love, love it. 20. Katniss Everdeen from The Hunger Games Via pinterest.com The bow is a must for pictures, but you should leave the arrows at home if this is a school costume. 21. The Gingerbread Man and Woman Cardboard isn't just for making robot costumes anymore. 22. Sherlock Holmes and Dr. Watson Via campblood.org Be your own Benedict Cumberbatch. 23. Where's Waldo and Wilma? Via thehouseofcornwall.blogspot.com Stripes, baby. You got this. 24. Captain Underpants Via turnto10.com Please, please, please dress up as Captain Underpants. And send us the photos!