Once you become a parent, Halloween is all about finding a cute costume that will keep the baby warm or locating that popular superhero outfit your little guy is desperate to wear for trick-or-treating.
But four-footed family members needn't be left out of the Halloween costume scene.
For parents who just can't resist the chance to dress their kids and their animals up in matching costumes, we've rounded up some of our favorite Halloween costume ideas for kids AND their pets. And if you're looking to add a pet to your family, go to North Shore Animal League America to meet some great canines and felines.
The Joker and Harley Quinn
If your child is requesting a Joker costume this Halloween, why not pair him up with the dog version of the Joker's love interest and accomplice, super villain Harley Quinn?
Kids Joker Costume, $37, Spirit Halloween

DC Comics Harley Quinn Dog Costume, $20, PetSmart

Doctor and nurse
Paging nurse Kitty to the emergency room!
Kids' Doctor Costume, $21, Target

Dog Cat Nurse Costume, $12, Amazon

Football player and football
Dressed as a football player and a football, your little one and your fur child can make some great plays together.
Football Player Child's Costume, $27, Amazon

Football Pet Costume, $17, Spirit Halloween

Donut and coffee
There's no pair like a cup of coffee and a donut, except for maybe your kid and their dog.
Chocolate Donut Costume, $30, Target

Halloween Coffee Cup Dog Costume, $4, PetSmart

Unicorns
Is there anything cuter than a baby unicorn and a kitty unicorn?
Baby Unicorn Vest Costume, $20, Target

Unicorn Cat Full Body Costume, $5, Target

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Pirates
Shiver me timbers! Even pet guinea pigs can walk the plank on Halloween night.
Halloween Concepts Children's Pirate King Costume, $10, Amazon

Pet Halloween Pirate Costume, $9, PetSmart

Monkey and banana
The iconic duo of a monkey and his favorite food makes for a great Halloween costume match-up.
Lovely Monkey Baby/Toddler Costume, $29, Target

Chiquita Banana Pet Costume, $25, Spirit Halloween

Miss Muffet and spider
Channel the classic nursery rhyme by dressing your tween and her dog as Little Miss Muffet and her infamous spider.
Tween Along Came a Spider Costume, $15, Spirit Halloween

Spider Pup Costume for Pets, $18, Amazon

Rock stars
Get the band back together this Halloween by dressing your kid and their pet up like rock stars.
Pink Rock Girl Costume, $32, Amazon

Rockstar Dog Costume Set, $10, Target

Ash and Pikachu
Let your kid be a real Pokemon trainer on Halloween by dressing them up as Ash and letting your pet be their Pikachu.
Kids Ash Costume, $40, Spirit Halloween

Halloween Dog Pikachu Costume, $24, PetSmart

Cop and robber
It should be illegal for kid/pet duos to trick-or-treat looking this cute.
Kids Burglar Costume, $20, Spirit Halloween

Pet Policeman Dog and Cat Costume, $12, Amazon

Looking for a costume idea for yourself? Here are the most popular Halloween costumes this year.
Candy is not just for the kids either! Below are cute, Halloween-themed dog treats you can put in your pup's pumpkin:
Bark Count BARKula Bites Beef Dog Treats, $8, Target

Bark Spook the Coop Chicken Dog Treats, $8, Target
