hrtz.wav Members Profile and Facts
hrtz.wav (하츠웨이브) is a 5-member global boy band Kakao Entertainment. The members are Youn Youngjun, Riaan, Dane, Keiten, and hagiwa. They’re the finalists of STEAL HEART CLUB. They were formed on December 23, 2025. They’re set to debut in 2026.
Group Name Meaning: hearts wave. A new wave of band music that reflects youth. hrtz is to represent the mind, soul, & the frequence of sound (hertz) and .wav is to zymbolize unprocessed, high-quality sound & waves.
Official Greeting: “Hello, we are hrtz.wav!”
hrtz.wav Official Fandom Name: N/A
Fandom Name Meaning: N/A
hrtz.wav Official Color: N/A
hrtz.wav Official Logo:
Official SNS:
Instagram: @hrtzwav
X: @hrtzwav
TikTok: @hrtzwav
YouTube: hrtzwav (하츠웨이브)
Mnet+: hrtz.wav (하츠웨이브)
hrtz.wav Member Profiles:
Youn Youngjun
Stage Name: Youn Youngjun (윤영준)
Birth Name: Youn Young-jun (윤영준)
Position(s): Keyboardist
Birthday: March 21, 2000
Zodiac Sign: Aries
Chinese Zodiac Sign: Dragon
Height: N/A
Weight: N/A
Blood Type: A
MBTI Type: INFP (previously INTJ)
Nationality: Korean
Instagram: @youn9wns
Youn Youngjun Facts:
– He was born in Suwon, Gyeonggi-do, South Korea, and moved to Ansan at the age of 3.
– In high school, he was a band member.
– Youngjun is currently a DJ under WAY BETTER under the stage name YYJ.
– He is a former NND (2024-2025) member.
– He wrote and composed all the tracks on NND‘s debut album, Wonder, I, which was his first songwriting experience.
– Youngjun’s favorite color is black.
– He wants to perform at Coachella and be nominated for the Korean Music Awards.
– Hobbies: Playing games, playing League of Legends, listening to pop music, and sleeping. He could spend an entire day sleeping.
– Favorite Food: Spicy stir-fried chicken.
– His speaking habit are “ahh” and “uhh”.
– If Youngjun could be an animal, he picks the meerkat.
– His former fellow NND member, DAYN described Youngjun as a person who takes care of others and is easily loved by people around him.
– He is a fan of Valley and The 1965.
– Charming Points: His shyness, low tolerance for laughter, and calmness.
Riaan
Stage Name: Riaan (리안)
Birth Name: Riaan Yoon (리안윤)
Position(s): Vocalist
Birthday: January 16, 2003
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Horse
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: INFJ
Nationality: Korean
Instagram: @riaanyoon
X: @riaanyoon
TikTok: @riaanyoon
Riaan Facts:
– He debuted as a soloist on July 30, 2024, with the single “Treat Me Better“.
– He was a trainee at SM Entertainment (2021-2022).
– Education: School of Performing Arts Seoul (Department of Applied Music), Seoul Institute of the Arts (Vocal Performance Major).
– He can play the guitar and piano.
– Riaan can speak Korean and English.
– He is a fan of The 1975, Keshi, Janne Da Arc, and Official Hige Dandism.
– Charming Points: His voice, English skill, and buttery vocals.
– He hopes to be a role model for many people.
Show more facts about Riaan…
Dane
Stage Name: Dane (데인)
Birth Name: N/A
Position(s): Bassist
Birthday: July 20, 2004
Zodiac Sign: Cancer
Chinese Zodiac Sign: Monkey
Height: 187 cm (6’1″)
Weight: 75 kg (165 lbs)
Blood Type: N/A
MBTI Type: ENTP
Nationality: Korean
Instagram: @dane.youneed
X: @dane_youneed
TikTok: @dane.youneed
Dane Facts:
– He was born in Seoul, South Korea.
– Dane debuted as a soloist on October 10, 2024, with the single “Selfie“.
– Education: School of Performing Arts Seoul (Department of Applied Music), Seokyeong University (Department of Applied Music).
– He speaks Korean and English.
– He can play the bass, guitar, keyboard, drums, and synthesizer.
– Dane plays a Fender Jazzmaster.
– He is a fan of The 1975, Christian Kuria, and Keshi.
– Charming Points: His healthy smile, being an all-round musician, and his deep voice.
– The type of musician he wants to be is a one that feels like a youth of one day.
Show more facts about Dane…
Keiten
Stage Name: Keiten (케이텐)
Birth Name: Keiten Ishibashi (石橋啓天 / 케이텐 이시바시)
Position(s): Guitarist
Birthday: December 4, 2006
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Dog
Height: ∼175 cm (5’9″)
Weight: N/A
Blood Type: N/A
MBTI Type: INTJ
Nationality: Japanese
Instagram: @keiten.i
TikTok: @keiten.i
Keiten Facts:
– Keiten was born in Tokyo, Japan.
– Education: Berklee College of Music, Performance Major. He took a gap semester to join the show.
– In Boston, he is part of a K-rock band named Luvfiné.
– He has attended MODERNK Academy.
– He is a fan of DAY6 , Måneskin, and Green Day.
– Keiten can speak Japanese, English, and Korean.
– Through YouTube videos and lessons, Keiten learned how to play the guitar.
A song he first learned to play on the guitar was Stevie Ray Vaughan‘s “Pride and Joy”.
– He likes cheetah.
– Keiten can play the guitar and the piano.
– Since 2023, he has played the guitar. He has about 7 guitars.
– His favorite song is ”Stop the Train” by John Mayer.
– His favorite place that he has traveled to is Italy.
– He is a fan of the series Brooklyn Nine-Nine.
– He created the group name.
hagiwa
Stage Name: hagiwa (하기와 / ハギワ)
Birth Name: N/A
Position(s): Drummer, Maknae
Birthday: November 23, 2022
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Tiger
Height: 163 cm (5’3″)
Weight: 52 kg (114 lbs)
Blood Type: N/A
MBTI Type: ENFJ
Nationality: Japanese
Instagram: @hagiwa_dr
Threads: @hagiwa_dr
TikTok: @hagiwa_dr
YouTube: ハギワ-hagiwa-
hagiwa Facts:
– He was born in Japan.
– Before he joined STEAL HEART CLUB, he was a famous influencer.
– Since he started his career as an influencer, he has hid his face behind his mask. His birth name and age are unknown for this reason too.
– In 2024, hagiwa changed to his current mask. His previous mask was inspired by the game Poppy Playtime (2021).
– His favorite artists are G-DRAGON (BIGBANG) and Queen.
– Charming Points: His face / mask.
– He hopes to be a super entertainer drummer.
– Sometimes when talking, hagiwa speaks in third person.
For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging
Made by: LIKEYLIKEY_
Who is your hrtz.wav bias? Do you know more facts about them? Feel free to comment below. 🙂
