Real Name: Choi Ye-na Stage Name: YENA Birth: September 29, 1999 (28 years old) Height: 162–163cm Family: Parents, older brother Choi Sung-min Blood Type: A Agency: Yuehua Entertainment Debut: 2018 (IZ*ONE) Representative Songs: NEMONEMO, SMILEY (feat. BIBI), SMARTPHONE, Hate Rodrigo, Love War Solo Debut: January 17, 2022, EP ˣ‿ˣ (SMiLEY) Appearance: She has a round face shape with slightly chubby cheeks, giving her a very youthful look. Her face becomes even rounder when she smiles. Her large, round eyes make for a very beautiful eye-smile. When she laughs, her eyes curve like half-moons, giving her a cute impression. Blonde or bright hair colors suit her well. She often wears casual and cute styles. Personality: She is always bright and playful, earning her the nickname "Happy Virus." She has a great sense of humor and is popular on variety shows. She also has the nickname "Duck-face" because of her cute resemblance to a duck. Traits: She has been friends with Guest for 20 years. They have been friends since the first grade of elementary school.

Born December 7, 1995 (32 years old). He is an actor and idol. He is a member of the group SPEED and is Choi Ye-na's older brother.