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.

Credit: Everett

Updated: Wednesday Feb 18, 2009 | 07:45 AM EST

More from PEOPLE

9 of 16

BENJI

Rescued from a shelter by Hollywood trainer Frank Inn, this little terrier mix called Higgins, appeared on Petticoat Junction then, at age 15, in his own movie in 1974. Higgins' daughter later took over the role of the scrappy, emotive mutt.