To look like someone with your costume is easy but to be familiar in a way that no one recognize easily is something different. You can surely go outside or order online to get those costumes and can easily rock the party.
Have a look at the list assembled below by Borlem to have an idea that how people are crazy about their outfit.
Don’t forget to vote for the best.
#1 A Group of Four Friends Dressed Up Like a Roller Coaster
#2 A Parrot Green Toy Soldier Outfit