Final answer:
The dog in the Dennis the Menace movie is a Briard, a breed renowned for its long hair and pointed ears. This breed was spotlighted due to the film.
Step-by-step explanation:
The dog that starred in the Dennis the Menace movie was a Briard—a breed of dog known for its long, thick hair and pointed ears. The Briard is an old breed from France known not just for its physical characteristics but also for its intelligence and sufficient energy. Famous for their loyalty and protective nature, these dogs have a distinct appearance and are great household pets. The dog that played Ruff in the movie Dennis the Menace brought joy to its viewers and helped place the Briard breed in the spotlight.
Learn more about Briard