Dennis or Denis is a first or last name from the Greco-Roman name Dionysius, via one of the Christian saints named Dionysius.. The name came from Dionysus, the Greek god of ecstatic states, particularly those produced by wine, which is sometimes said to be derived from the Greek Dios (Διός, "of Zeus") and Nysos or Nysa (Νῦσα), where the young god was raised.
Directed by Nick Castle. With Walter Matthau, Mason Gamble, Joan Plowright, Christopher Lloyd. When his parents have to go out of town, Dennis stays with Mr. and Mrs. Wilson. The little menace is driving Mr. Wilson crazy, but Dennis is just trying to be helpful. Even to the thief who's arrived in town.