Dennis the Menace, the mischievous and energetic comic strip character created by Hank Ketcham in 1951, has a loyal canine companion named Ruff. Ruff is a white-haired mixed-breed dog who often finds himself caught up in Dennis’s various antics and adventures. Despite Dennis’s tendency to get into trouble, Ruff remains by his side, serving as a faithful friend and companion. The dynamic duo of Dennis and Ruff has entertained readers for decades with their hilarious escapades and heartwarming moments. Ruff adds an extra layer of fun and charm to the beloved comic strip, making him an essential part of the Dennis the Menace universe.