Real Name: Park Seohee Gender: Female Nationality: South Korea Date of Birth: October 11, 2006 Position: Leader Personality: Affectionate, strong sense of responsibility, meticulous, thoughtful, motherly inclusiveness Features: The reliable eldest sister and leader of the team. She always takes care of the members warmly from behind. On stage, she is characterized by her clear, unique vocal tone and clean dance lines. Trivia: At the showcase, she compared the team to 'vivid' colors and clearly introduced the team's identity as a leader.

Real Name: Park Seoyeon Gender: Female Nationality: South Korea Date of Birth: March 4, 2008 Position: Dancer and Vocalist Personality: Active, energetic, kind, delicate, devoted to fans Features: She is the younger sister of TWICE's Jihyo. Her weapons are overwhelming energy and concept execution on stage. She is meticulous enough to remember everything fans or staff have told her due to her excellent memory. Trivia: There is an anecdote where her older sister, TWICE's Jihyo, advised her before debut, saying, "You'll see your members more than your family, so be a support for each other and have a beautiful career."

Real Name: Elena Yena Kwon Gender: Female Nationality: South Korea / USA (Dual Citizenship) Date of Birth: April 11, 2008 Position: Vocalist and Dancer Personality: Positive, refreshing, beagle-like energy when close, mischievous Features: A member with dual citizenship. Her first impression is calm and chic, but she gets more cheerful the more you know her. She is the 'human sunshine' responsible for the team's refreshing vibe with her bright smile on stage. Trivia: Although she looks chic, she has a playful personality and jokes around a lot with members in the waiting room or dorm.

Real Name: Park Jia Gender: Female Nationality: South Korea Date of Birth: August 22, 2008 Position: Center Personality: Gentle, soft, and harmless off-stage / Chic and charismatic on-stage Features: Possessor of glamorous and luxurious visuals. She radiates a seductive and intense gaze on stage, but in reality, she has a puppy-like personality, creating a huge gap. Trivia: She garnered significant attention for her visuals after brilliantly opening the first debut teaser video.

Real Name: Miita Saki Gender: Female Nationality: Japan Date of Birth: October 9, 2010 Position: Vocalist and Dancer Personality: Thoughtful, calm yet surprisingly cute, persistent Features: The Japanese member. Contrary to her cute appearance with soft cheeks, she is a definitive dancer who shows powerful skills on stage. Her velvet-smooth mid-to-low vocal tone is charming. Trivia: In an interview, she personally declared, "My soft cheeks are my charm point, but I will show a cool performance as a twist on stage."

Real Name: Park Se-ah Gender: Female Nationality: South Korea Date of Birth: January 4, 2011 Position: Vocalist and Performer (Maknae line) Personality: Bold, confident, tireless energizer, prankster Features: Part of HYBE's first 2010s-born maknae line. She breaks the prejudice that the youngest will only be cute, as she is a member with great strength and very powerful performance skills. Trivia: In an interview, she expressed her bold ambition, saying, "I want to make music that stays on playlists for a long time, and I want us to be a group that people always look forward to next."

Real Name: Lee Hanee Gender: Female Nationality: South Korea / UK (Dual Citizenship) Date of Birth: January 7, 2011 Position: Vocalist (Maknae line) Personality: Popping star quality, queen of positivity, wants to give happiness to the public Features: A maknae member with dual Korean-British citizenship. She is a main-level vocal resource with a unique and special tone that is unforgettable once heard, and she boasts a fairy-like presence. Trivia: She picked 'vocal tone' as her identity and stated in an interview that her dream is to become an artist who delivers small happiness to fans' daily lives.