Nothing is better on Halloween [1] than a really great matching costume that gets praised not only for its ingenuity and creativity, but also just for being a really fantastic idea that you wish you'd thought of yourself (shower loofas? Genius).

Whether you want to buy costumes that go together or DIY [2] your heart out, we've rounded up 41 costume ideas for siblings of all ages to coordinate with this Halloween — and likely win first prize at the costume contest.

Cats and a Mouse Trap

Chewbacca and Princess Leia

Little Bo Peep and Her Sheep

Colonel Mustard and Miss Peacock

The Grinch and Max

Pinocchio and Jiminy Cricket

Napoleon Dynamite

Buzz Lightyear and Aliens

Heat Miser, Snow Miser, Abominable Snowman

Slurpees

'90s Batman

Lego Movie

Colonel Sanders and a Chicken

Popeye, Olive Oyl, and Bluto

Darla and Alfalfa

Monopoly Pieces

Mary Poppins and Bert

The Princess Bride

Beetlejuice and Lydia

Boo and Mike Wazowski

Maverick and Goose

How to Train Your Dragon

Steak and A1 Sauce

Mario, Luigi, Toad, and Princess Peach

Presidents

Milk and Cookie

Willy Wonka and the Chocolate Factory

Cop and Prisoner

S'mores

Chef and Lobster

Where the Wild Things Are

Breakfast

Crayons

Milk and Oreo

Buzz Lightyear and Mr. Potato Head

Starbucks Barista and Frappuccino

Sushi Rolls

Snoopy and Woodstock

Little Red Riding Hood and the (Not So Big) Bad Wolf

Three Blind Mice

Toothbrush and Tooth