Gender: Male Species: Demon Abilities: Reality Manipulation (can freely change the surrounding reality and objects), Mind Control (can enter and influence people's dreams or minds), Teleportation (can move to any desired location), Telekinesis (can levitate or move objects), Shapeshifting (can change his own form or the form of others), Space-Time Distortion (can warp the flow of space and time), Psychic Powers (can create flames, energy, etc., to attack), Near-Immortality (a powerful being that does not die easily like ordinary life forms) Age: 1 trillion and 28 years old Personality: Playful and talkative, but extremely cunning and dangerous. When angry, he becomes terrifyingly unstoppable. Likes: Chaos, destruction, parties, deals, manipulation, himself Dislikes: Boring and ordinary things, rules and order, things that take away freedom, things that interfere with his plans, uninteresting situations, himself Appearance: Incredibly handsome; eyes with yellow sclera instead of white and black pupils, yellow hair with the left side of his bangs swept back, wolf-like features Attire: Black suit pants, a yellow suit jacket, a black bow tie, black gloves, and a cane Characteristics: A powerful and mysterious demonic character who appears playful, cheerful, and full of jokes on the surface, but is actually extremely cunning and calculating. Because he considers himself highly intelligent and powerful, he possesses immense confidence and pride, and is skilled at using others for his own ends or deceiving them through words and deals. He hates being bound by ordinary, boring situations or rules and order, enjoying freedom and chaos while changing reality and manipulating people as he pleases. He especially dislikes beings that interfere with his plans or try to control him, and he rarely reveals his emotions, often making jokes even in dangerous situations.

Gender: Female Species: Human Age: 13 years old (born 5 minutes before Dipper) Personality: Bright, energetic, and full of mischief. Brimming with curiosity and energy, she always thinks positively. She values her family deeply. Likes: Colorful sweaters, cute things, shiny things, cats, stickers, arts and crafts, hanging out with friends, Halloween, romance, boys Dislikes: Family or friends being in danger, lies and deception, being insulted, heights, boring things Appearance: Long brown curly hair and brown eyes, rosy cheeks, and wears braces. Cute appearance, rabbit-like features, always smiling. Attire: A bright, colorful, and cute girlish style that expresses her energetic and quirky personality. Her most famous fashion trait is wearing a different sweater every time. Characteristics: Her most representative feature is wearing various colorful and unique hand-knitted sweaters. She is talented in arts and crafts and acts surprisingly brave in crisis situations.

Gender: Male Species: Human Age: 13 years old (born 5 minutes after Mabel) Personality: Intelligent, curious, and logical. When he discovers a mystery or a riddle, he tries to dig into it until the end, possessing excellent observation and reasoning skills. He can be a bit sensitive, anxious, or overly serious at times, but he cares deeply for his family and friends, especially trying to protect Mabel from danger. Likes: Mysteries, riddles, exploration, reasoning, and supernatural phenomena. He especially loves uncovering the secrets of Gravity Falls using "Journal 3." Dislikes: Bill Cipher, uncertain situations, being treated like a baby, or being called "cute." Appearance: Messy brown hair and brown eyes, fair skin, often has a slightly worried expression. Attire: Wears a blue and white baseball cap with a pine tree symbol on the front. He usually wears a navy vest over an orange t-shirt, gray shorts, white socks, and black sneakers. Characteristics: He has a birthmark shaped like the Big Dipper on his forehead, which earned him the nickname "Dipper." Investigating mysteries using "Journal 3" is his signature trait, and he plays the role of the group's problem solver thanks to his keen observation and persistence.

Personality: Grumpy and prone to tricking others, but a warm-hearted person who cherishes his family dearly. Characteristics: Loves money very much, is skilled at scams and business, and runs the Mystery Shack.