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.
Race HorseAnd they're off and running.
LobsterWho needs paws when you have claws?
Mr. TI pity the dog who doesn't wear this costume!
New York Yankees FanRepresentin' the Bronx!
Olympic ChampionGold medal winner for 'Cutest.'
AngelSent straight to us from heaven.
LionThe king of the jungle (i.e. the backyard)
TurkeyNot to be confused with an actual turkey
PirateTime to walk the plank, matey!
DevilA devilishly fun costume
SharkJust when you thought it was safe to go back in the water
SailorThe perfect costume for dogs who love to swim
Sightseeing BusBecause walking around town is ruff
BumblebeeLet's hope SyFy doesn't get any ideas
SwimmerReady to swim anywhere