Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Dog "Colette" is dressed as a pumpkin at the 13th annual Dog Halloween Parade in Tompkins Square Park, Oct. 26, 2003, in New York City.
Ruby Reyes holds up Estrellita, a female Chihuahua dog, at a Halloween costume parade and contest for dogs, Oct. 26, 2006, in Long Beach, Calif.
A dog named Minnie wears "Doggles" as she wades in a water fountain at the 10th annual Pet Pride Day parade hosted by the San Francisco Animal Care and Control at Golden Gate Park, Oct. 26, 2003.
Daisy, a female Bulldog, is dressed as a princess at a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.
Dog Oliver is dressed as Oscar the Grouch with owner Niki Khindri during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Dog "Vanilla" is dressed as a sunflower at the 13th annual Dog Halloween Parade in Tompkins Square Park, Oct. 26, 2008, in New York City.
Gina Mirigliani (C) and her Chihuahua "Daisy" (L) are dressed as members of the Los Angeles Police Department K-9 (canine) unit, at a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.
Dog Una is dressed as an anaconda during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Pocky, a Pug dog, is dressed in a military costume at a Halloween costume parade and contest for dogs, Oct. 26, 2006, in Long Beach, Calif.
Bambi, a Daschund mix, is dressed as Superman at a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.
Dog Chico is dressed as a Mexican wrestler during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Bella Luna, a Pomeranian, is dressed as a chef at a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.
A dog dressed as an iPad participates in the Tompkins Square Park 20th Annual Halloween Dog Parade, on Oct. 23, 2010, in New York City.
A dog dressed as Zorro participates in the Tompkins Square Park 20th Annual Halloween Dog Parade, on Oct. 23, 2010, in New York City
Jonna Baquillas holds her pet, a rescued cat named Rue, both dressed as Little Red Riding Hood during the Philippine Animal Welfare Society's (PAWS) annual Halloween fund raising event entitled "Scaredy Cats and Dogs: Year 8" at the Eastwood Central Plaza in Manila on Oct. 23, 2011.
Dog "Jackie" is dressed as a three-headed dog along with handler Nikaela Straus at the 13th annual Dog Halloween Parade in Tompkins Square Park, Oct. 26, 2003, in New York City.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
A dog named, Billie, is dressed as a cow while participating in the 16th Annual Tompkins Square Halloween Dog Parade on Oct. 29, 2006, in New York City.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Anna Chan and her dog named, Calle, participate in the 16th Annual Tompkins Square Halloween Dog Parade on Oct. 29, 2006, in New York City.
A bulldog wearing a cowboy hat participates in the 10th annual Pet Pride Day parade hosted by the San Francisco Animal Care and Control at Golden Gate Park, Oct. 26, 2003, in San Francisco.
Michael, a Great Dane, is shepherded by his owner Helen Avila as he draws a ghoul in a carriage at a Halloween costume parade and contest for dogs, Oct. 26, 2006, in Long Beach, Calif.
A pet owner checks the costume of her pet Chihuahua during the Philippine Animal Welfare Society's (PAWS) annual Halloween fund raising event entitled "Scaredy Cats and Dogs: Year 8" at the Eastwood Central Plaza in Manila on Oct. 23, 2011.
Kia, a Jack Russel Terrier, does tricks at a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Jonna Baquillas (R) holds her pet, a rescued cat named Rue, both dressed as Little Red Riding Hood during the Philippine Animal Welfare Society's (PAWS) annual Halloween fund raising event entitled "Scaredy Cats and Dogs: Year 8" at the Eastwood Central Plaza in Manila on Oct. 23, 2011.
Ginger the dog participates in the Tompkins Square Park 20th Annual Halloween Dog Parade on Oct. 23, 2010, in New York City.
Two-year-old Kyle Lee rides in a wagon with his grandfather's dogs Gracey, Joey and Benzi at the Halloween Dog Costume Parade in Long Beach, Calif., on Oct. 31, 2010.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
A dog dressed as a Pilgrim rides in a replica of the Mayflower at the 10th annual Pet Pride Day parade hosted by the San Francisco Animal Care and Control at Golden Gate Park, Oct. 26, 2003, in San Francisco.
Dog "Harley" is dressed as a Harlem Globetrotter basketball player at the 13th annual Dog Halloween Parade in Tompkins Square Park, Oct. 26, 2003, in New York.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on Sept. 30, 2012, in Old Westbury, N.Y.
Dog Harley is dressed as a reindeer during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
A dog is dressed as a poker player during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Dog Carmen is dressed as a peacock during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Dog Lola is dressed as a drama queen during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Dog Phoenix is dressed as Moby Dick during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Dog "Mr. Crash" is dressed as a pirate at the 13th annual Dog Halloween Parade in Tompkins Square Park, Oct. 26, 2008, in New York City.
Dog "Biggie" is dressed as a Native American at the 13th annual Dog Halloween Parade in Tompkins Square Park, Oct. 26, 2008, in New York City.
Jennifer Brauer and her dog Annabelle, dressed as a tiger, rest on a bench while participating in the 16th Annual Tompkins Square Halloween Dog Parade, Oct. 29, 2008, in New York City.
Dogs participate in the 16th Annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Dogs are dressed as cowboys while participating in the 16th Annual Tompkins Square Halloween Dog Parade, Oct. 29, 2008, in New York City.
A dog named, Ms. Ping, is dressed as a box of Chinese takeout food while participating in the 16th Annual Tompkins Square Halloween Dog Parade, Oct. 29, 2008, in New York City.
Dog "Rosie" is dressed as a woman at the 13th annual Dog Halloween Parade in Tompkins Square Park, Oct. 26, 2003, in New York City.
Superdog (aka Bailey) attends the 3rd Annual Bow-Wow-Ween on October 31, 2004, at the Barrington Dog Park in Los Angeles.
Tommy attends the 3rd Annual Bow-Wow-Ween on Oct. 31, 2004, at the Barrington Dog Park in Los Angeles.
A dog named, Bueller, leaps for a treat while participating in the 16th Annual Tompkins Square Halloween Dog Parade on Oct. 29, 2006, in New York City.
Nancy Rogers and her dog, Mabel, participate in the 16th Annual Tompkins Square Halloween Dog Parade on Oct. 29, 2006, in New York City.
Superdog catches a frisbee at the 3rd Annual Bow-Wow-Ween on Oct. 31, 2004, at the Barrington Dog Park in Los Angeles.
Todd Welch and his dog Herbie participate in the 16th Annual Tompkins Square Halloween Dog Parade on Oct. 29, 2006, in New York City.
Dogs participate in the 16th Annual Tompkins Square Halloween Dog Parade on Oct. 29, 2006, in New York City.
Dogs Porsche (R) and Chumley participate in the 16th Annual Tompkins Square Halloween Dog Parade on Oct. 29, 2006, in New York City.
Daisy (L) is dressed as a sheep and Lilly (R), as Andy Warhol's cow, at a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.
Trouper Hope, a Pet Assisted Therapy (PAT program) dog, wears a trooper Halloween costume as he visits with hospital patients including 88-year-old Anna Britton (R) at the Torrance Memorial Medical Center, Oct. 26, 2004, in Los Angeles.
A contestant parades with her dog decorated to resemble to dog from the Target department store television commericals, at a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.
Sly, a Volpino Italiano dog, wears a "I Love Mommy" bib and a pacifier as he cuddles his owner Diane Broitman at a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.
Dog Phoenix is dressed as Moby Dick during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
Ella is dressed as a flamingo during the 18th annual Tompkins Square Halloween Dog Parade, Oct. 26, 2008, in New York City.
A dog watches from the sidelines (R) as another dog and dog owners wait in line to march in a Halloween costume parade and contest for dogs, Oct. 29, 2006, in Long Beach, Calif.