Answer
The response "Macabre" accurately captures the essence of Addams' cartoons. Macabre refers to a particular style of art or literature that emphasizes the dark, eerie, and unsettling aspects of life and death. Addams' cartoons often delve into these themes, portraying elements of the supernatural, the grotesque, and the morbid in a humorous manner, creating a unique and darkly comedic style that sets him apart.