Photos: The world's ugliest dogs

Updated 2:28 PM ET, Mon December 2, 2013
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Walle, who is part beagle, part boxer and part basset hound, was crowned the World's Ugliest Dog in 2013. Winners receive a cash prize and trophy at the annual event, which is held in Petaluma, California. Click through to see past winners. Josh Edelson/AFP/Getty Images
Mugly, a Chinese crested from the United Kingdom, won the contest in 2012. KIMIHIRO HOSHINO/AFP/GettyImages
Yoda, a mix of a Chihuahua and a Chinese crested, took the prize as the World's Ugliest Dog in 2011. Justin Sullivan/Getty Images
The 2010 winner, a Chihuahua named Princess Abby, wanders around the staging area. KIMIHIRO HOSHINO/AFP/Getty Images
Pabst, a boxer mix, shows off his underbite after winning in 2009. Justin Sullivan/Getty Images
Gus, a one-eyed, three-legged Chinese crested, took the win in 2008. Justin Sullivan/Getty Images
A Chihuahua named Elwood won in 2007. Justin Sullivan/Getty Images
A Chinese crested named Archie was champion of the 2006 competition. Justin Sullivan/Getty Images
Sam, a blind Chinese crested, was the winner in 2003, 2004 and 2005. SUSIE LOCKHEED
Dane Andrew and his Chinese crested Rascal, who won in 2002. KIRA STACKHOUSE / NUENA.COM
Nana was the 2000 and 2001 winner. Her breed was not revealed. YVONNE MORONES