Rin Tin Tin: K-9 Cop and in France as Rintintin Junior . German Shepherd TV series: 1988-1993. Ruff The family dog in the comic strip Dennis the Menace by Hank Ketchum. Also in the TV series and movie . Briard Comic strip: since 1951. TV series: 1959-1963. Movie: 1993. Ruff (See also Rosie)