Harpsichord, a historical keyboard instrument, is the answer to the question, played by the fictional character Lurch in the Addams Family. It produces sound when a plectrum plucks the strings, often used in baroque and renaissance music. Lurch's association with the harpsichord adds a unique quirk to his character.
The Eccentric World of Charles Addams: Unraveling the Quirks of an Iconic Cartoonist