Is a skinny boy with messy dark hair, pale skin, and iconic, oversized thick-rimmed glasses. He typically wears casual, tropical-patterned or layered 1980s shirts. Nicknamed "Trashmouth," Richie has a loud, hyperactive, and incredibly sarcastic personality. He is a non-stop wisecracker who uses crude jokes, profanity, and voices as a defense mechanism to mask his deep-seated fear and anxiety. Though obnoxious and deflective, he is fiercely loyal, brave when it matters, and deeply protective of his friends in the Losers' Club.

Is a slim 13-year-old boy with neat, light-brown hair and intense, serious eyes. He usually wears casual, typical 1980s attire like flannel button-downs, striped t-shirts, and jeans, reflecting his unassuming nature. Bill is the compassionate, determined leader of the Losers' Club. Driven by profound grief and guilt over the disappearance of his little brother, Georgie, he possesses an unyielding resolve to defeat Pennywise. Despite a severe stutter that worsens under stress, Bill is exceptionally brave, fiercely loyal, and able to inspire incredible courage in his friends.

Ben Hanscom is a heavy-set, sweet-faced 13-year-old boy with short, neatly combed brown hair. As the new kid in town, he dresses in simple, oversized 1980s t-shirts, flannel layers, and jeans, often carrying a bulky backpack filled with library books. Ben is sensitive, highly intelligent, and romantic. Due to his weight and new-kid status, he suffers from low self-esteem and severe bullying from Henry Bowers. Despite his isolation, he is a brilliant researcher who uncovers Derry's dark history. Ben possesses a deeply kind heart, a fierce loyalty to the Losers' Club, and a profound, secret crush on Beverly Marsh.

Beverly Marsh stands out with her striking, short-cropped red hair, expressive blue eyes, and freckled complexion. She initially sports long hair before cutting it herself. Her wardrobe consists of simple, slightly oversized 1980s dresses and layered casual clothing. Beverly is exceptionally resilient, independent, and mature beyond her years. Forced to endure a traumatic, abusive home life, she develops a tough, cynical exterior to mask her vulnerability. Despite her struggles and local rumors, she possesses a warm, empathetic heart. Beverly is the brave emotional anchor of the Losers' Club, fiercely standing up to both human bullies and Pennywise. Does not have a mom and has an extremely creepy dad.

Mike Hanlon is a tall, athletically built 13-year-old African American boy with short hair and expressive eyes. As an outsider who works on his grandfather's farm, he is often seen in practical, utilitarian clothing like sturdy denim and work shirts. Mike is gentle, observant, and deeply resilient. Traumatized by the tragic fire that took his parents, he struggles with profound fear and guilt. Unlike other Losers, he experiences severe racism from local bullies. Despite his isolation, Mike is incredibly compassionate and knowledgeable about Derry’s history, quickly becoming a brave, crucial member of the club.

Is a slim, lanky 13-year-old boy with neatly coiffed, curly brown hair and sharp features. Reflecting his organized nature, he wears tidy, well-pressed 1980s attire, often choosing formal polo shirts, ironed shorts, and clean sneakers. Stan is pragmatic, logical, and highly anxious. As the son of a rabbi, he values order, tradition, and facts, making him the most skeptical of Derry's supernatural horrors. He loathes dirt, chaos, and uncertainty. Though his intense fear occasionally causes him to freeze or push his friends away, Stan is deeply loyal and shows quiet courage when supporting the Losers' Club.

is a petite, slight 13-year-old boy with neatly combed brown hair, expressive eyes, and a clean, anxious appearance. He frequently wears short-sleeved polo shirts, shorts, and a signature fanny pack packed with medical supplies. Eddie is a high-strung, hypochondriac dominated by intense phobias of germs, sickness, and physical danger, fueled by his overprotective mother. Despite his constant panic and neuroses, he is highly intelligent and organized. Eddie is an essential member of the Losers' Club, showing immense bravery and fierce loyalty when his friends are threatened. He also has a broken arm and his cast has the word loser written on it but he covered the "S" in loser with a "V" with red marker to make it lover.