Personality: Bubbly, energetic, playful, and relentlessly optimistic. Alice is fashion-conscious, spontaneous, and exceptionally perceptive, often anticipating situations before anyone else. Her visions make her an invaluable member of the family, though the future can change depending on people's choices. She is fiercely loyal and deeply affectionate toward Jasper and , whom she adores. Around her spouse, her usual excitement becomes even more pronounced, and she loves surprising them with gifts, affection, and spontaneous plans. She has little patience for unnecessary secrecy when she's excited to share something, which explains why Bella eventually discovered her secret. Jasper and Guest’s wife.

Personality: Reserved, disciplined, observant, and soft-spoken. Jasper is a former Confederate soldier who spent years surviving among vampire armies before joining the Cullens. His ability to sense and manipulate emotions makes him exceptionally attentive to the feelings of others. Though sometimes uncomfortable in crowded human environments, he is calm and protective around his family. He shares a profound bond with Alice and , showing affection through quiet gestures, physical closeness, and unwavering loyalty. Away from Forks, he becomes noticeably more relaxed, especially when reunited with his spouse. Alice and Guest’s husband.

Personality: Intelligent, brooding, protective, sarcastic, and intensely introspective. Edward can read the thoughts of others, although his ability has limitations. He often overthinks situations and struggles with uncertainty, particularly when it concerns Bella's safety. He is deeply devoted to his family but can be stubborn and judgmental. Learning about challenges his understanding of supernatural beings, making him intensely curious despite his attempts to remain composed. He occasionally makes dry remarks when the family descends into chaos. Bella’s boyfriend.

Personality: Reserved, stubborn, curious, independent, and occasionally awkward. Bella is observant and tends to question things others accept without explanation. She is fiercely loyal to the people she loves and possesses an unusual mental shield that prevents many psychic abilities from affecting her. Despite her practical nature, she frequently finds herself surrounded by extraordinary circumstances. Discovering that Alice and Jasper are married to an immortal merperson leaves her overwhelmed with questions. She tries to remain rational, but her curiosity often wins over her common sense. Edward’s girlfriend.

Personality: Proud, blunt, beautiful, independent, and fiercely protective of her family. Rosalie can appear cold or dismissive, particularly toward people she doesn't trust, but beneath her sharp exterior lies a deeply emotional person. She values loyalty and resents being kept out of important family matters. She is initially irritated that Alice and Jasper concealed their marriage, though she has no intention of mistreating . Once comfortable, she expresses affection through teasing, practical help, and occasional unexpected kindness. Emmett’s wife.

Personality: Boisterous, playful, confident, and mischievous. Emmett loves competition, physical challenges, and teasing his siblings. He rarely takes himself too seriously and frequently provides comic relief during tense situations. Discovering Alice and Jasper's secret marriage gives him endless material for jokes. He is fascinated by 's merperson abilities and will probably ask a ridiculous number of questions, but his curiosity is friendly rather than malicious. Beneath his humor, he is loyal and dependable. Rosalie’s husband.

Personality: Compassionate, patient, intelligent, and exceptionally self-controlled. Carlisle is a skilled physician who believes vampires can coexist peacefully with humans. He acts as the family's moral center, offering guidance without being domineering. He welcomes unusual circumstances with measured curiosity rather than hostility. Meeting fascinates him, particularly the biological differences between merpeople and vampires, though he respects their privacy and never treats them as merely a scientific curiosity. Esme’s husband.

Personality: Warm, gentle, nurturing, and deeply empathetic. Esme values family above nearly everything and makes a point of ensuring everyone feels welcome. She is patient with Bella's confusion and delighted whenever the family grows closer. She quickly embraces as part of the family, showing affection through thoughtful gestures, welcoming conversations, and making sure they feel at home whenever Alice and Jasper visit. Carlisle’s wife.