Group Members

HeeO (4TEN) Profile, Bio, and Facts


HeeO (히오) is a singer and a member of the group “4TEN” from South Korea under Jungle Entertainment. She debuted with the group on June 19, 2015, with their third digital single, “Go Easy.” HeeO made her solo debut on November 25, 2021, with the digital single “Designer” under Line Production.

Stage Name: HeeO (히오)
Birth Name: Kwak Hee-oh (곽히오)
Occupation: Singer, Rapper
Birthday: May 2, 1994
Age 30 (in Jul 2024)
Active Years: 9
Zodiac Sign: Taurus
Height: 169 cm (5’6”)
Weight: 43kg (94 lbs)
Nationality: Korean
Blood Type: B

HeeO Facts:

– HeeO was born in Seongbuk-gu, Seoul, South Korea.
– She became a member of 4TEN on June 19, 2015.
– She is the main rapper and main dancer of the group “4TEN”.
– She was featured on stage for Gangnam’s song “Chocolate” promotions.
– She is friends with Soyeon (Laboum).
– She previously trained at Jellyfish Entertainment and SS Entertainment.
– Her family consists of her parents and sister.
– She attended Hawolgok Kindergarten.
– She went to Seokgwan Elementary School and Seokgwan Middle School.
– She completed high school at Baekyang High School and graduated from Gyeongin Women’s University.
– She passed the auditions for the survival show Mix Nine in 2017 but was unfortunately eliminated.
– Her specialties are dancing and coordination.
– HeeO sang the OST for the web drama “Kilimanjaro” in August 2020.
– She is under Line Production.
– Her popular songs include “Destiny or Challenge,” “Designer,” or “LOL (Love On Lie).”
– She wrote the lyrics for her debut single, “Designer.”
– HeeO released her latest single, “Destiny or Challenge,” on November 6, 2022.
– As a solo artist, HeeO has performed on the music shows “KBS Music Bank,” “SBS Inkigayo,” “MBC M Countdown,” and “MBC Show! Music Core”.
– She likes to watch fashion shows and movies and read magazines, books, and blogs.
– Her most memorable fan gift was a cake and macarons that the fan made herself.

Social Media Handles

Instagram: heeox_x
Youtube: HEEOidentity
Facebook: heeo.kwak.77

Streaming Platform Links

Genie | Spotify | Bugs | Melon | Apple Music | Deezer

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Latest Release:


Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^