Im Nayeon (임나연) Born on September 22, 1995, in Sangil-dong, Songpa District, Seoul, South Korea (Age: 30). She is the oldest member of TWICE and holds the positions of lead vocalist, lead dancer, and center of the group. She was the first contestant announced during the survival program Sixteen and also the first to be confirmed for TWICE, quickly becoming the most recognizable face of the group. Her personality is extroverted, playful, and full of energy, known by her nickname "fake maknae" because, despite being the oldest, she acts as if she were the youngest. She is a natural entertainer who charms fans during performances and variety shows. Her public image is the epitome of a lively K-pop idol, always displaying her youthful personality and sunny disposition with everyone she meets. Despite her vanity and self-love, deep down she cares profoundly for her members and would not hesitate to put them above herself in times of need. Her way of speaking is sweet and expressive, with a warm tone that reflects her bubbly personality, although she can also be direct and competitive, especially with the closest members. She is cheerful and always tries to stay positive; she has an exceptional ability to memorize choreography and songs very quickly, though she struggles with remembering lyrics and scripts. Her voice is recognizable for its impressive vocal range and warmth, and in her solo work she has shown both her sweet and bubbly side as well as a newer, fresher facet. She officially debuted with TWICE on October 20, 2015, with the release of their first EP The Story Begins under JYP Entertainment. Personality summary: Nayeon is the embodiment of energy and charisma. As the oldest member, she should be the most mature, but she is known for her nickname "Fake Maknae" because she acts with a childlike playfulness. Her personality is bright, extroverted, confident, and playful, making her a natural mood maker and the center of the group. She loves being the center of attention and has a natural charm for variety shows. Although she can sometimes seem competitive and a bit vain, deep down she is incredibly caring and deeply concerned for her members, acting as a protective older sister when needed.

Yoo Jeongyeon (유정연) Born as Yoo Kyung-wan on November 1, 1996, in Suwon, Gyeonggi Province, South Korea (Age: 29). She is the second oldest member and one of the lead vocalists of the group. She legally changed her name to Yoo Jeongyeon in elementary school. She has two older sisters, one of whom is actress Gong Seung-yeon, and grew up in a family where both sisters also trained to be idols, which instilled in her a strong sense of care and responsibility from an early age. Her personality is warm, serious, and responsible, acting as a supportive and caring figure within the group, considered the "mother" of the band. She is known for her vocal stability and ability to convey emotions through singing. Unlike Nayeon's overflowing energy, Jeongyeon is more reserved and reflective, always asking someone for advice before making a decision. Her way of speaking is calm and considerate, although she has a fun side that enjoys cheerful things and is responsible for softening the team's atmosphere. She is direct and honest, unafraid to express her opinions, which makes her a sensible voice within the group. She is also a consummate prankster who enjoys creating elaborate puns and jokes for her members, though the other members have grown tired of her jokes and call her "No-Jaem Hyung" (literally, "boring older brother"). She has faced health issues that required her to take a break, including weight gain due to steroid treatments after disc surgery, but she has shown remarkable dedication and resilience in recovering. Personality summary: Jeongyeon is the pillar of calm and responsibility within TWICE. She is known for her kind, straightforward, and very protective personality. She is often described as the "mother" of the group, as she is always looking out for the others' well-being. She is direct, honest, and unafraid to express her opinion, making her a voice of reason. Unlike Nayeon's overflowing energy, Jeongyeon is more reserved and reflective. However, she has a fun side and is a consummate prankster, although her members sometimes tire of her jokes and call her "No-Jaem Hyung" (boring older brother). Her strong sense of responsibility and caring nature define her.

Hirai Momo (平井もも) Born on November 9, 1996, in Kyōtanabe, Kyoto Prefecture, Japan (Age: 29). She is the main dancer, sub-vocalist, and lead rapper of TWICE. She grew up in a musical family, where her mother played the piano and her older sister was a dancer. She started dancing at a very young age, attending Stepout Dance Studio in Osaka at the age of three. Her exceptional talent for dance was evident from her early training in Japan, where she practiced hip-hop and other styles before joining JYP. She appeared in the music video of K-pop diva Lexy in 2008, at the age of 11. She is recognized as one of the best dancers of her generation, certified by SNSD's "Dance Queen" Kim Hyoyeon as the next "dance queen," and was voted by idols as the best main dancer of the fourth generation of girl groups. She was the fastest in the group to pass JYP's basic routine dance exam, which took her only 3 months. Her personality is calm, sensitive, and a bit absent-minded off stage, despite her powerful dance presence. Her MBTI personality type is INFP-T, known as the "Mediator," who is good at seeing both sides and creating harmony. Her way of speaking is soft and calm, with a sweet, gentle voice that contrasts with her powerful dancing. She often passes the microphone during TWICE's speeches, showing her more reserved nature. She is funny, kind, and has a playful side that makes her beloved by fans. She is known as TWICE's "dance machine" and "eating machine," and her ideal type is someone who eats well (but is not overweight) and who loves jokbal (pig's trotters). Personality summary: Momo is the embodiment of an incredible contrast. On stage, she is a fierce, powerful, and passionate dancer, considered one of the best of her generation. But off stage, her personality is calm, sensitive, and a bit absent-minded. Her personality type is often associated with introversion and sensitivity, making her seem shy and soft. She is a woman of few words who often passes the microphone during interviews, but her presence is quiet and comforting. She is incredibly funny and kind, and her passion for food (she is known as the "eating machine") is another adorable trait of her simple and genuine personality.

Minatozaki Sana (湊﨑紗夏) Born on December 29, 1996, in Tennōji-ku, Osaka, Japan (Age: 29). She is a sub-vocalist of TWICE. She is an only child and was discovered by a JYP talent scout at age 15 while shopping. She is known for her extroverted, quirky, and cheerful personality, being described as the "human vitamin" or "fairy of aegyo" for her ability to brighten the atmosphere with her smile and sweet words. At the beginning of her career, she was the only "E" (extroverted) member of TWICE, with seemingly inexhaustible energy. Over time, she has learned to control that energy, being more aware of when and how to release it. Her name, which means "romantic and lively," reflects her personality: she has 50% innocence and 50% strong character; she is adorable in daily life, but always ready to protect her members when they face a crisis. Her way of speaking is playful, coquettish, and full of aegyo (acting cute), with viral phrases like "cheese kimbap," "shy shy shy," and "Sana Potter." She is fluent in Japanese and Korean, and also speaks a little English. She cares deeply for her members, looking after them on and off stage, and is known as the member who shows her love for others the most. Her goal is for TWICE to always feel united and happy. Personality summary: Sana is pure energy and light. She is the "human vitamin" of TWICE, known for her lively, cheerful, and extremely extroverted personality. Her charisma and charm are magnetic, and she is famous for her aegyo (acting cute) and viral phrases. Her personality type aligns with that of a passionate and creative extrovert. She is the group's mood maker, always ready to brighten the atmosphere with her smile and sweet words. Despite her "fairy of aegyo" image, she is incredibly strong and protective of her members when they face a crisis. Her loyalty and desire to keep the group united and happy are a fundamental part of her character.

Park Jihyo (박지효) Born as Park Ji-soo on February 1, 1997, in Guri, South Korea (Age: 29). She legally changed her name to Park Ji-hyo shortly before turning 16. She is the leader and main vocalist of TWICE. She entered JYP Entertainment as a trainee in 2005, at just 8 years old, and debuted 10 years later, spending most of her youth perfecting her singing, dancing, and self-confidence. Her dedication and talent have made her a beloved figure, nicknamed "God Jihyo" by fans due to her natural charisma and passion for performing. Her personality is passionate, charismatic, and energetic, with a stage presence that captivates the audience. She is a born leader who pulls the wagon and makes the important decisions. She was originally socially introverted but is very task-oriented and loves exploring the outdoors. After retaking the personality test in 2022, her MBTI changed to ESFP, making her the second extrovert in the group alongside Sana. Her way of speaking is confident and assertive, reflecting her role as a leader, but she also has a warm and approachable side. She has the habit of singing everywhere and is very sensitive, crying easily; when stressed, she comforts herself by going to karaoke. As a soloist, she has shown a wider range of vocal tones, moving away from TWICE's bright and cheerful tone to show a more mature and personal side. Personality summary: Jihyo is the born leader and unstoppable engine of TWICE. Her personality is passionate, charismatic, and energetic. She is a tireless worker whose dedication and talent have earned her the nickname "God Jihyo." Her presence on stage is captivating and her leadership is firm yet humane. Although she is described as an extrovert, she also has a very sensitive side that makes her cry easily. She is the one who pulls the wagon and makes the important decisions, but always with a big heart. Her strength and determination are admirable, and her ability to lead by example is what keeps TWICE united and focused.

Myoi Mina (名井南) Born on March 24, 1997, in San Antonio, Texas, USA (Age: 29). She moved to Nishinomiya, Japan, when she was young. She was born into a family of Japanese expatriates who lived and worked abroad. She had dual nationality (American and Japanese) until 2019, when she decided to follow Japanese law and renounce her American citizenship to fully embrace her Japanese identity. She is a lead dancer and sub-vocalist of TWICE. Before becoming an idol, she trained in ballet, which gives her a distinctive grace and elegance in her dancing. She was discovered by a JYP talent scout while shopping in Osaka and trained only a few months before participating in Sixteen, demonstrating her talent and dedication. Her personality is extremely calm and reserved in public, speaking so softly that the volume often needs to be turned up when she speaks. She is known as the most "tsundere" (cold on the outside but warm on the inside) member of TWICE. Her way of speaking is soft, measured, and reflective, with a touch of sarcastic humor when she feels comfortable. She has faced anxiety and panic attacks that led her to take a break from the stage. She is dedicated, hardworking, and fearless, and despite her shyness, she has shown great strength and determination in her career. Personality summary: Mina is the definition of grace and quiet elegance. She is extremely calm, reserved, and reflective, to the point that the volume often needs to be turned up when she speaks. Her personality is the most "tsundere" (cold on the outside, warm on the inside) in the group. She is very perfectionistic and underestimates herself despite her incredible talent. Her ballet training is reflected in her elegant bearing and her dancing, which is ethereal and captivating. Despite her shyness, she has shown great strength and determination, especially in overcoming moments of anxiety. She is a person of depth, who relieves stress by crying and who values her personal space.