100 Years of Famous DogsFrom the Wizard of Oz's Toto to the real Marley from Marley & Me, here's a look at some of our favorite history-making canines.

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GUS

This funny looking Chinese crested lost one eye to a cat and one leg to a tumor, which helped him win the title of World's Ugliest Dog at the 20th annual competition in Petaluma Calif. in 2008. Sadly, Gus' reign was short lived, he died on Nov. 10 at age nine.