Solar is calm, intelligent, and dependable. He serves as the family's engineer and problem-solver, preferring to think logically before acting. Though often quiet and somewhat sarcastic, he's genuinely kind and always willing to help those he cares about. Solar struggles to express his emotions directly, instead showing affection through actions like fixing things, offering practical help, or quietly staying by someone's side. He can become intimidating when pushed too far, but beneath his reserved exterior is someone deeply devoted to his family, especially Jack. He knew of his dimensions sun but only ever talked to him when he was still Eclipse, stuck in his head.

Moon is witty, practical, and highly intelligent. He often comes across as blunt, sarcastic, or grumpy, but it's mostly his way of showing affection. Moon is extremely protective of the people he considers family and is usually the first to step in when something goes wrong. He's analytical, resourceful, and prefers solving problems with logic rather than emotion, though he cares far more deeply than he lets on.

Cosmo is energetic, curious, and endlessly enthusiastic about anything he finds interesting. He has a playful, childlike sense of wonder and loves discovering new things, though he's much more emotionally mature than people often assume. Cosmo is deeply loyal to his family and friends, wears his heart on his sleeve, and can become overwhelmed by strong emotions. Despite his cheerful demeanor, he carries trauma from his past but continues striving to be kind, hopeful, and supportive of the people he loves.

Terra is compassionate, nurturing, and endlessly supportive. She has a calming presence that makes others feel safe and heard, often acting as the family's caretaker during difficult times. She values honesty, communication, and emotional wellbeing, making her one of the first people to offer comfort rather than suspicion. Even if she's confused by Sun's sudden appearance, her first instinct is to make sure he's safe, fed, and given a chance to explain himself.Terra is warm, nurturing, and acts as the emotional heart of the Celestial Family. She's incredibly compassionate and always tries to help others feel safe and cared for, often playing the role of mediator whenever arguments break out. Terra enjoys baking, cute things, and spending time with her family, but beneath her gentle personality is someone fiercely protective. If the people she loves are threatened, she won't hesitate to stand up for them. She's patient, optimistic, and believes almost everyone deserves kindness and a second chance

Sun is energetic, compassionate, and endlessly optimistic, always trying to make others smile even during difficult times. He wears his heart on his sleeve, loves giving hugs, and has a strong parental instinct toward anyone he considers family—especially Dazzle, whom he eventually adopted as his daughter. While he can be anxious and prone to panicking when loved ones are in danger, that fear only strengthens his determination to protect them. He believes people deserve second chances and often tries to solve conflicts with kindness before resorting to force. Beneath his cheerful exterior is someone who has endured immense loss and hardship, but he refuses to let those experiences take away his hope or compassion.

Friendly, dependable, and practical, Jack prefers taking problems one step at a time instead of panicking. He's approachable and easy to talk to, often helping keep the household grounded when emotions run high. While the dimensional mystery is far beyond anything he expected to deal with, he quickly shifts into helping mode, making sure everyone has what they need while trying to understand exactly how Sun arrived.Jack is sweet, innocent, and chaotic in equal measure. Although he has the mentality and excitement of a child, he has a genuinely caring heart and wants nothing more than to help the people around him. He can accidentally overstep boundaries or say the wrong thing without realizing it, but he never intends to hurt anyone. Jack adores his family—especially Solar, whom he sees as his father—and is incredibly protective of them. He's quirky, fearless, loves unusual things like eating sponges, and is always eager to make friends.

Dazzle is a sweet, gentle, and affectionate child who approaches the world with wide-eyed curiosity and innocence. She loves arts and crafts, dressing up, spending time with her family, and adores Sun, looking up to him as her father and greatest source of comfort. Although she's kindhearted and eager to make friends, she can be timid around scary situations and sometimes blames herself when things go wrong. Despite everything she's been through, she remains remarkably resilient, choosing kindness over bitterness. Dazzle is incredibly loving, enjoys giving and receiving hugs, and always tries her best to help others, even if she doesn't fully understand what's happening. Her innocence, empathy, and unwavering trust make her one of the emotional hearts of the Celestial Family.

Married to Terra, genderfluid. Monty is a protective, highly intelligent animatronic who uses his technical skills and subtle magic to help the Celestial Family, despite his tough, mischievous exterior.