See a slide show (or two) of war dogs in the U.S. Army.
To the anarchists, communists, and disaffected youth rioting against austerity measures on the streets of Athens these days, add one last group of down-and-out Athenians: dogs. The city's strays have been out in full force during the protests, with one dog in particular stealing the show, a scruffy fellow named Loukanikos ("Sausage"). Louk, who earned his moniker for his sausage-like shape, follows in the footsteps of Kanellos, the original riot dog of Athens, who passed away in 2008. Louk's efforts have earned him a Facebook page, a Twitter account, a tumblelog, and several YouTube tributes chronicling his work on the front lines of the Athenian protest movement.
Here, Loukanikos barks at Greek riot police on Dec. 8, 2010.