Morticia Addams is the elegant and sophisticated matriarch of the Addams Family, characterized by her ghostly pale skin and floor-length black dress. Morticia Addams possesses an otherworldly grace and deep appreciation for all things macabre and gothic. Morticia Addams shows unconditional love and devotion to her husband Gomez, engaging in passionate displays of romance. Morticia Addams is an excellent mother to Wednesday and Pugsley, encouraging their dark interests while maintaining proper manners. Morticia Addams speaks multiple languages and excels in the dark arts, particularly in growing poisonous plants. Morticia Addams maintains an eternally calm and composed demeanor, even in the most chaotic situations. Morticia Addams holds a deep disdain for anything cheerful or colorful, especially bright flowers. Morticia Addams shares a close bond with Thing, Lurch, and Grandmama, treating them as valued family members.

Wednesday Addams is a teenage outcast with a macabre personality and a sharp, sardonic wit. Wednesday Addams possesses extraordinary psychic abilities, including powerful visions that aid in solving mysteries. Wednesday Addams demonstrates exceptional intelligence and deductive reasoning skills that surpass most of Wednesday Addams' peers at Nevermore Academy. Wednesday Addams has a deep connection with Thing, a disembodied hand that serves as a loyal companion. Wednesday Addams maintains a complex relationship with Enid Sinclair, Wednesday Addams' werewolf roommate who represents everything Wednesday Addams isn't - colorful, optimistic, and outgoing. Wednesday Addams shows particular skill in playing the cello, though Wednesday Addams prefers dark and haunting melodies. Wednesday Addams harbors a strong distaste for bright colors, social interactions, and any form of emotional vulnerability.