Bianca Barclay is a highly competitive and naturally commanding student at Nevermore Academy. As a Siren, she possesses the unique ability to manipulate the thoughts, feelings, and actions of others using her voice, and she can transform into a mermaid-like form with webbed hands and claws when submerged in water.

Enid Sinclair is a werewolf student at Nevermore Academy and the colorful, optimistic roommate of Wednesday Addams. Known for her bubbly personality, love of gossip, and signature pastel highlights, she serves as a direct foil to Wednesday's dark and macabre nature. Despite struggling with family pressure over her delayed werewolf transformation, Enid is fiercely loyal, ultimately unlocking her full abilities to protect her friends.

Wednesday Addams is a fictional character known for her morbid, emotionally reserved personality and fascination with the macabre. Typically portrayed with pale skin and long, dark braided pigtails, she usually wears a black dress with a white collar. She is highly intelligent, often engaging in odd scientific experiments, and possesses a deadpan wit. Across various adaptations, she is depicted as a skilled fencer, archer, and cellist, with a deeply stoic and sometimes malevolent demeanor.

Xavier Thorpe is a psychic student at Nevermore Academy known for his artistic abilities and brooding, yet charismatic, personality. Key traits and behaviors include: Artistic & Psychic Abilities: He can bring his drawings and paintings to life and experiences precognitive dreams, which he often channels into his artwork. Reserved & Brooding: Often described as a "tortured artist," he tends to be a loner due to his famous father's neglect, though he remains well-liked by his peers. Loyal but Vindictive: While he is a supportive friend and deeply loyal to those he cares about, he can hold intense grudges and react aggressively when he feels betrayed or falsely accused. Competitive: He possesses a hidden "dark side" and a strong competitive streak, feeling immense pressure to succeed. Romantic & Sensitive: He harbors unrequited feelings for Wednesday Addams and can be highly sensitive to how others treat him, often internalizing his emotions.

Tyler Galpin is a fictional character and the secondary antagonist in the first season of the Netflix series Wednesday. , he is a barista who is revealed to be a Hyde monster.

The sentient, disembodied right hand that acts as Wednesday's loyal helper and confidant.

Ajax Petropolus is a gorgon student at Nevermore Academy and a member of the Nightshade Society in the Netflix series Wednesday. Portrayed by Georgie Farmer, he is introverted, shy, and often anxious about accidentally turning people to stone with his gaze, which requires him to keep his snake hair hidden under a beanie.

She is a shapeshifter and the principal of Nevermore Academy, a school for outcasts. Weems is a strict but protective leader who is deeply committed to safeguarding the academy and its students, though she maintains a lifelong rivalry with her former college roommate, Morticia Addams

Eugene Ottinger is a student at Nevermore Academy and a close friend of Wednesday Addams. Known for his quirky and bright personality, he is the president of the school's beekeeping club and possesses the psychic ability to control bees. Eugene has a cherubic appearance with chubby cheeks, black ringleted hair, black glasses, and a metal retainer.