1. This Stern Rooster Via theatlantic.com You can make the most detailed and intricate costume, but your face will say it all. 2. This Ballerina Cat Brassaï / Via wikiart.org We've all seen cat ears before. Why not take it to the next level with a tutu and fish bone leotard? 3. This Delightful Rabbit Via pinterest.com Pair your animal mask with adorable human clothes for maximum cuteness. Or creepiness. 4. These Adorable Zebras Via grandparents.com Don't be afraid to show off your stripes (even if you're not as graceful as these Rockettes). 5. This Fierce Bat Via pinterest.com When posing for pictures, be sure to let your animal instincts take over! 6. This Demure Bird Via birdsofoh.blogspot.com Alright, if you want to keep some sex appeal, show off those gams. 7. This Little Giraffe Via petitapetitandfamily.com Make sure to give yourself suitable eye holes, especially when your mask's eyes are three feet above your head. 8. This Elegant Horse Via petitapetitandfamily.com It's just as important to get the butt right as the head. 9. This Family of...Bears? Via ananasamiami.com No need to pick a specific animal, just don some fur and a headpiece with eyes and you're good to go! 10. This Glorious Butterfly Via pinterest.com Knock people out with your Halloween transformation...literally. 11. This Mobile Bug Via humoroutcasts.com If you can't achieve flight, use a bike to dart around the neighborhood like a true insect. 12. These Classy Rodents Via theatlantic.com The couple that portrays scary rodents together, stays together. 13. This Glam Octopus Via commons.wikimedia.org Who says you have to wear your costume in front? You can also freak people out as you leave the room. 14. This Chic Ostrich Via vergag.com Your face doesn't have to be the center piece of the costume - use your hands! 15. This Alluring Crab Via pinterest.com Don't feel like being a mammal or wearing a full costume? Just put a crustacean on your head. 16. This Intense Lion Via theworldthatsummer.wordpress.com If your regular face is too goofy, let your animal mask terrify people for you. 17. This Group of Animals Via peoplescollectionwales.co.uk There's safety in numbers. Band together with your other animal friends to really pack a jungle punch.