Halloween is one of the oldest holidays in the world, with origins dating back thousands of years. Of course, dressing pets up in Halloween costumes isn't as old, but it's easily one of the best parts of the holiday.

Check out these funny photos of dogs dressed up as pirates, lobsters, bumblebees and more in the spirit of Halloween.

  • 1

    Race Horse

    And they're off and running.
    John Moore/Getty Images
    John Moore/Getty Images
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  • 2

    Lobster

    Who needs paws when you have claws?
    John Moore/Getty Images
    John Moore/Getty Images
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  • 3

    Mr. T

    I pity the dog who doesn't wear this costume!
    John Moore/Getty Images
    John Moore/Getty Images
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  • 4

    New York Yankees Fan

    Representin' the Bronx!
    John Moore/Getty Images
    John Moore/Getty Images
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  • 5

    Olympic Champion

    Gold medal winner for 'Cutest.'
    John Moore/Getty Images
    John Moore/Getty Images
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  • 6

    Angel

    Sent straight to us from heaven.
    John Moore/Getty Images
    John Moore/Getty Images
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  • 7

    Lion

    The king of the jungle (i.e. the backyard)
    John Moore/Getty Images
    John Moore/Getty Images
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  • 8

    Turkey

    Not to be confused with an actual turkey
    John Moore/Getty Images
    John Moore/Getty Images
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  • 9

    Pirate

    Time to walk the plank, matey!
    John Moore/Getty Images
    John Moore/Getty Images
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  • 10

    Devil

    A devilishly fun costume
    John Moore/Getty Images
    John Moore/Getty Images
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  • 11

    Shark

    Just when you thought it was safe to go back in the water
    John Moore/Getty Images
    John Moore/Getty Images
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  • 12

    Sailor

    The perfect costume for dogs who love to swim
    John Moore/Getty Images
    John Moore/Getty Images
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  • 13

    Tuxedo

    Dressed to the 9s
    John Moore/Getty Images
    John Moore/Getty Images
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  • 14

    Butterfly

    Aw, how pretty!
    John Moore/Getty Images
    John Moore/Getty Images
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  • 15

    Sightseeing Bus

    Because walking around town is ruff
    John Moore/Getty Images
    John Moore/Getty Images
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  • 16

    Bumblebee

    Let's hope SyFy doesn't get any ideas
    John Moore/Getty Images
    John Moore/Getty Images
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  • 17

    Swimmer

    Ready to swim anywhere

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