Dennis' dog, Ruffs, throughout the movie is a Briard. Another name for Briard is Berger de Brie. These are French Sheepdogs.
Briard, from France.
Dennis the Menace's first dog was Gnasher, but later the dog's name was Ruff.
Gnasher
Gnasher
Dennis the Menace's neighbor, Mr. Wilson, has a dog named Ruff in the comic strip.
dennis the menace
His dog was named Ruff.
Dennis the Menace - 1959 The Lost Dog 4-31 was released on: USA: 5 May 1963
some people say he is a German sheperd but according to the beano, He is a Incredibly rare, wire haired tripe hound.
Archie, Dennis the Menace
Dennis has a dog named Gnasher, who has a son named Gnipper.
Mr. Wilson's dog's name was Fremont .