By John Balson @JJBalson
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Videographer / Director: Sam Wolson
Producer: Jack McKay
Editor: Ian Phillips
The crossbreed, which has a shortened spine that makes it resemble a hyena, beat 26 other finalists to the award during the Sonoma-Marin Fair in Petaluma, California on Friday, June 26.
Chief judge Brian Sobel said he'd 'epitomised excellence in ugliness'.
As well as scooping $1500 for his owner, Quasi Modo, from Loxahatchee, Florida, will get a full makeover on Jimmy Kimmel Live and attend media events in New York and San Francisco.
The competition attracted entrant from as far as Florida, Idaho, Nevada and Arizona to compete with Sonoma County locals.
And it had all the hallmarks of a glitzy Hollywood event, complete with red carpet and the flash of multiple cameras.
More than 500 spectators clapped and cheered as the 27 underdogs made their way into the venue to compete.
Judges scored the dogs based on their first impression, unusual attributes, natural ugliness, personality and audience impression.
The organisers say many of the animals have been rescued from shelters and puppy mills, and that they hope the contest will help raise awareness for adoption of any dog - despite their physical detractions.
Karen Spencer, Sonoma-Marin Fair marketing director, said: "We aren't interested in lineage, it's the inner beauty and personality that shine in our World's Ugliest Dog Contest."