A dog dressed in a lion costume attends the Tompkins Square Halloween Dog Parade. JOHANNES EISELE/AFP via Getty Images
A dog dressed as a hotdog at the Tompkins Square Halloween Dog Parade. REUTERS/Andrew Kelly
Lincoln the Yorkshire Terrier dressed as the Red Baron. REUTERS/Andrew Kelly
A dog dressed in a dinosaur costume. JOHANNES EISELE/AFP via Getty Images
Dave, a Miniature Pinscher, dressed as a vacuum cleaner. REUTERS/Andrew Kelly
Jacklyn Apostolik, dressed as Nancy Wheeler from “Stranger Things” and James Choca, dressed as Steve Harrington from “Stranger Things,” with their dog Ava, dressed as Eleven from “Stranger Things.” REUTERS/Andrew Kelly
A dog as Regan from the movie “The Exorcist.” JOHANNES EISELE/AFP via Getty Images
A dog dressed in a Batman costume. JOHANNES EISELE/AFP via Getty Images
Krisja Lorenson dressed as a Dilophosaurus, with her dog Agnes, a Boston Terrier, dressed as Dennis Nedry, both from the movie “Jurassic Park.” REUTERS/Andrew Kelly
A dog dressed as Greta Thunberg attends the Tompkins Square Halloween Dog Parade. JOHANNES EISELE/AFP via Getty Images
Ruben Santana and Thurman Hill with King Tut, all dressed in the theme of global warming. REUTERS/Andrew Kelly
A dog dressed in a pineapple costume. JOHANNES EISELE/AFP via Getty Images
Stella the Havanese dog dressed as Elvis Presley. REUTERS/Andrew Kelly
Mark Belio, dressed as Big Bird of Sesame Street, sits with Biff the Samoyed, dressed as Oscar the Grouch. REUTERS/Andrew Kelly
Keiko the Husky is dressed as the Pope. REUTERS/Andrew Kelly
A dog dressed in a circus theme. JOHANNES EISELE/AFP via Getty Images
A dog dressed in a shark costume. JOHANNES EISELE/AFP via Getty Images
Marcie Walker with her dog Nana dressed as giraffes. REUTERS/Andrew Kelly
A dog dressed in a Demogorgon costume. JOHANNES EISELE/AFP via Getty Images
A dog sitting in a globe with flames attends the Tompkins Square Halloween Dog Parade. JOHANNES EISELE/AFP via Getty Images
Lindzi Rebernik takes a selfie with her dog Wednesday, a Boston Terrier, dressed as a pumpkin. REUTERS/Andrew Kelly
Dita the Doxle dog dressed as a bat. REUTERS/Andrew Kelly
A dog dressed in a pig costume. JOHANNES EISELE/AFP via Getty Images
A dog’s paws under a Big Bird costume. REUTERS/Andrew Kelly
People dressed as cows on their way to the Tompkins Square Halloween Dog Parade in Manhattan. REUTERS/Andrew Kelly