Chihuahua pinscher dog named Zorroline, wearing a traditional Bavarian-style Dirndl costume and a hat designed by his owner, German dressmaker Hildegard Bergbauer, sits outside her house in Hailing, southern Germany, on Oct. 12, 2010. (GETTY Photo)
Philippines
Mondex, a Chihuahua, wears a pirate costume during a Halloween dog show for the benefit of an animal welfare organization in Manila, Sunday, Oct. 26, 2008. Mondex won the Creative Costume award.
New York
Matilda Molina, 4, dressed as a bride, left, and Lucky, a pit mix dressed as a groom, foreground right, wait to compete as a non-traditional marriage couple during the 18th annual Tompkins Square Halloween Dog Parade canine costume contest Sunday, Oct. 26, 2008, in New York.
Oliver, a Maltese dressed as Oscar the Grouch, takes part in the 18th annual Tompkins Square Halloween Dog Parade canine costume contest Sunday, Oct. 26, 2008, in New York.
Dressed as Joe the Plumber, Rico, a long-haired Chihuahua from New York, takes part in the 18th annual Tompkins Square Halloween Dog Parade canine costume contest Sunday, Oct. 26, 2008, in New York.
Dressed as a poker player, Bandit, a Chihuahua from the Bronx borough of New York, is pet by a child as he waits to compete in the 18th annual Tompkins Square Halloween Dog Parade canine costume contest Sunday, Oct. 26, 2008, in New York.
Dressed as the big bad wolf in grandma's clothing from Little Red Riding Hood, Bugsy, a Chihuahua, is held by his owner Nicole Kent, of New York, during the 18th annual Tompkins Square Halloween Dog Parade canine costume contest Sunday, Oct. 26, 2008, in New York.
Key West, Fla.
Lucky the dog peers outside from a mock jail as Julia Stephenson reacts after learning she won second place in the kids' division at the Fantasy Fest Pet Masquerade Wednesday, Oct. 21, 2008, staged at the Casa Marina Resort in Key West, Fla. The 10-day Fantasy Fest costuming and masking festival is set to continue through Sunday, Oct. 26.
Jodi Presley, costumed as the Wicked Witch of the West from the "Wizard of Oz," holds her dachshunds Snickers (as the Cowardly Lion), left, and Boomer (as the Tin Man), right, during the Fantasy Fest Pet Masquerade contest Oct. 22, 2008, in Key West, Fla. The contingent along with Presley's niece, Isabella Perez portraying Dorothy, placed first in the kids' division.
New York
Costumed Chihuahua's Bebe, left, and Chico, right, pose for a photograph as they wait with other costumed dogs to compete in the fourth annual Times Square Dog Day Masquerade Sunday, Oct. 19, 2008, in New York. Bebe was dressed as the nurse and Chico as the sailor from Alfred Eisenstaedt's V-J Day kiss photograph taken in Times Square.
Dressed as Sen. John McCain, Teddy, a Chihuahua/Pomeranian mix, competes in the fourth annual Times Square Dog Day Masquerade canine costume contest Sunday, Oct. 19, 2008, in New York's Times Square. The event was held to raise awareness for Animal Haven's Adopt-A-Pet program.
Dressed as Chi-Obama, Bonbon, a Chihuahua, is held up by his owner, Ada Nieves, of New York, as he poses for a photograph during the Times Square Dog Day Masquerade Sunday, Oct. 19, 2008, in New York's Times Square. Bonbon was named "Miss Congenitality" in the fourth annual canine costume contest.
Bosco, a dachshund owned by Risa Castagno of the Brooklyn borough of New York, shows his patriotism as he competes in the fourth annual Times Square Dog Day Masquerade canine costume contest Sunday, Oct. 19, 2008, in New York's Times Square. The event was held to raise awareness for Animal Haven's Adopt-A-Pet program.
Dressed as Danny Zuko from the Broadway show "Grease," Bandit, a Chihuahua, competes in the fourth annual Times Square Dog Day Masquerade canine costume contest Oct. 19, 2008, in New York's Times Square. The event, in which Bandit was one of the dogs awarded the title of "Honorable Hound," was held to raise awareness for Animal Haven's Adopt-A-Pet program.
Dressed as Elle Woods from the Broadway show "Legally Blonde," Peanut, a Chihuahua, poses for photographers as she is held by her owner, Heather Scheffold, of North Brunswick, N.J. Peanut was the winner of the fourth annual Times Square Dog Day Masquerade canine costume contest Sunday, Oct. 19, 2008, in New York's Times Square.
Dressed as Elle Woods from the Broadway show "Legally Blonde", Peanut, a Chihuahua, poses for photographers after winning the fourth annual Times Square Dog Day Masquerade canine costume contest Sunday, Oct. 19, 2008, in New York's Times Square. The event was held to raise awareness for Animal Haven's Adopt-A-Pet program. Peanut is owned by Heather Scheffold of North Brunswick, N.J.
Japan
Hot dog! A Welsh Corgi poses for a snapshot during the Halloween dog costume contest at the annual Kawasaki Halloween 2008 festival in Kawasaki, Japan, Sunday, Oct. 19, 2008.
Double, left, and Single, Welsh Corgis dressed as a bride and groom, pose for a snapshot during the Halloween dog costume contest at the annual Kawasaki Halloween 2008 festival in Kawasaki, Japan, Sunday, Oct. 19, 2008.
Miyako, a Shih Tzu, poses for a snapshot during the Halloween dog costume contest at the annual Kawasaki Halloween 2008 festival in Kawasaki, Japan, Sunday, Oct. 19, 2008.
New Mexico
Samson, looking dapper in his court jester attire, poses after taking first place in the Pet Parade costume contest Saturday morning, Oct. 11, 2008 at the Roswell Museum and Art Centers' Art Block Party in Roswell, N.M.
Michigan
Haddie, a 4-year-old Yorkshire Terrier, goes trick-or-treating with her owner Kami Flathau of Saginaw Township during the third annual Howl-O-Ween pet parade at Frankenmuth's River Place, Saturday, Oct. 18, 2008 in Frankenmuth, Mich. Pet owners dressed their dogs and cats in costume and brought them to shop owners around River Place who handed out dog and cat treats.