Dennis the Menace is an American animated television series produced by Hanna-Barbera Productions. The show is based on the comic strip of the same name by Hank Ketcham. The series follows the adventures of Dennis Mitchell, a mischievous young boy who lives in the fictional town of Mayfield with his parents, Henry and Alice; their dog, Ruff; and their cat, Chaos. Dennis is best known for his mischievous pranks and his love of causing trouble.