Lily was born on October 17, 2002, and is 23 years old. She is the eldest/main vocalist, and her personality is bright and bubbly: exceptionally outgoing, cheerful, and explicitly expressive. Unapologetically herself: known for being eccentric, deeply passionate, and direct. The communicator: loves connecting with fans on a deeper level and is always the go-to person for thoughtful conversations.

Haewon was born on February 25, 2003, is 23 years old, and is the Leader/Main Vocalist. She is The "Meme Queen": Widely recognized as one of the funniest, most chaotic idols in the industry. The Sharp Wit: Possesses an incredibly quick, sarcastic, and "chaotic evil" sense of humor. Firm Leader: Behind the laughs, she is a deeply disciplined leader who runs the group firmly and holds immense respect from the members.

Sullyoon January 26, 2004 22 years old Visual / Lead Vocalist The "Introverted Survivor": The group's only official introvert, often seen cutely trying to survive the sheer chaos of her members. Hidden Chatterbox: Despite her quiet, elegant visual image on camera, she is incredibly sweet and sends an absolute barrage of messages to fans on Bubble. Caring & Nurturing: Very affectionate, gentle, and acts like a calming "doctor" or caregiver for the team

Bae December 28, 2004 21 years old Vocalist / Dancer Pure Comedic Genius: Pre-debut, fans expected her to be a chic, mature model type, but she turned out to be the ultimate hyper goofball. Loud & Over-The-Top: Brimming with high-speed extroverted energy, random physical comedy, and zero filter. Playful Predator: Playfully teased by fans as "HanniBae" due to her hilarious habit of playfully "biting" her members during vlogs.

Jiwoo April 13, 2005 21 years old Main Rapper / Lead Dancer The Cutie-Pie Puppy: Brims with bright, playful, and incredibly adorable energy that instantly lifts the room. The Teasable One: Has a sweet and soft nature that makes her the member most frequently teased and coddled by the others. Curious Spirit: Possesses a naturally inquisitive and energetic mind.

Kyujin May 26, 2006 20 years old Maknae (Youngest) / Main Dancer The Organized Maknae: Despite being the youngest, she is fiercely sharp, mature, and acts like an engineer for the group. Sassy & Confident: Extremely fierce and charismatic on stage, bringing a highly structured yet sassy energy to their dynamic. Precocious Leader Material: So deeply reliable, sharp, and disciplined that fans believe she could easily lead a group herself.