Bz-Boys Members Profile

Bz-Boys Members Profile and Facts

Bz-Boys (청공소년) is a 3-member South Korean boy group under Chrome Entertainment. The group currently consists of the members: Bon, Taewoong, and Seunghyun. They debuted on June 17, 2019, with their first digital single, Question.

Group Name Meaning: Short for “Blue Zone Boys”.
Official Greeting: “Blue Zone! (In Korean:) Hello, we are Bz-Boys!”

Bz-Boys Fandom Name: BLUENESS
Fandom Name Meaning: N/A
Bz-Boys Official Colors: PANTONE Cool Gray 1 C, PANTONE 2717 C, PANTONE 2965 U

Bz-Boys Official Logo:

 Official SNS:
Instagram: @bz_boys
X: @bz_boys
YouTube: BZ BOYS
Facebook: BZ BOYS
FanCafe: BZ BOYS

Bz-Boys Member Profiles:
Bon

Stage Name: Bon (본)
Birth Name: Choi Won Ho (최원호)
Position(s): Leader, Main Vocalist
Birthdate: April 26, 1993
Zodiac Sign: Taurus
Chinese Zodiac Sign: Rooster
Height: 175 cm (5’9″)
Weight: 60 kg (132 lbs)
Blood Type: A
MBTI Type: ESTJ
Nationality: Korean
Instagram: @bz_bon/ @ronniethepug0121

Bon Facts:
– He was born in Incheon, South Korea.
– He’s part of the project duo Y26 (2026-present).
– Bon lived in Thailand for 7 years.
– He was part of the original Chrome Entertainment trainee group with Taewoong and Seunghyun, which was formed in 2018.
– He was a WH Creative trainee for 3 years together with VANNER‘s Sungkook, former IMFACT‘s Taeho, and Marco.
– Bon acted in the movie Underground Idol and the BL drama My Bias Is Showing?! as part of the fictional group A-ONE.
– He used to be a well-known ulzzang and held a lot of fanmeetings in Thailand during this time.
– Bon and Taewoong were part of the K-pop musical Back to the Stage together with TMC and Pink Fantasy.
– He appeared in MONNI’s “Goodbye My Girl” music video.
– Edcuation: Yongin University.
–Bon can speak Korean, Thai and English.
– He has 1 brother and 1 sister, he is the oldest brother.
– He has a pet dog named Ron/ Ronnie.
– Bon was the member who encouraged Taewoong to join Chrome Entertainment with him.
– His nicknames are Thai Prince and Leada.
– His hobbies are gastroventure, photography, bowling, walking his dog and singing.
– Bon’s specialties are yodeling and dancing.
– His habit is laughing in a funny manner (he describes it as a breathless pig sound).
– When he was a child, his favorite activity was to watch penguins at the aquarium at 63 Building.
– His charming point are his eyes.
– He likes to drink Cola.
– He gets drunk easily, when he was child he got tipsy from drinking a whole bottle of grape juice, and he once got drunk after eating five oysters with two drops of whiskey on them.
– Bon pours cereal before milk.
– His favorite moments are recording music videos with the members.
– Motto: “Sometimes it is wise to give up”.

Taewoong

Stage Name: Taewoong (태웅)
Birth Name: Choi Tae Woong (최태웅)
Position(s): Rapper, Vocalist
Birthdate: January 26, 1994
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Rooster
Height: 180 cm (5’11″)
Weight: 70 kg (154 lbs)
Blood Type: A
MBTI Type: ESFJ
Nationality: Korean
Instagram: @bz_teddygrade
TikTok: @bz_teddygrade

Taewoong Facts:
– He was born in Busan, South Korea and later moved to Seoul.
– Taewoong enlisted on March 24, 2022 and got discharged on December 23, 2023.
– He participated on Produce 101 Season 2 (2019) as a MMO Entertainment trainee, but was eliminated in ep. 5 at rank 71st.
– After he left MMO, he tried to join a Japanese company but couldn’t because of complications. Bon then encouraged him to join Chrome Entertainment together with him.
– He was part of the original Chrome Entertainment trainee group with Bon and Seunghyun, which was formed in 2018.
– Prior to Produce 101, he was a trainee for 4 years and 3 months.
– He appeared in the music video for B.A.P‘s Jung Daehyun‘s “행로”.
– He’s a certified freediving and EFR (Emergency First Response) instructor under the name TeddY.
– Taewoong appeared in the 2025 Gyeongju World Cultural Heritage promotional video and participated in the rap-making.
– His nicknames are Choitaeng, Taeng, Taengie, Taeking and Singing-rapper.
– His family consists of his parents, older sister, and his two cats Kancho and Ming Ming.
– Education: Geumseong High School, HAK ENTER Academy.
– When he was young, he had two names, Choi Jungmin and Choi Taewoong. Since he’s a buddhist he went to a monk, who told him to use the name Taewoong.
– His hobbies are listening to music, watching YouTube, working out, and playing futsal.
– His specialties are watching movies on repeat, kpop cover dancing, singing and rapping, and being sensitive to the cold.
– After Produce 101, Taewoong became known among fans for losing his wallet; he lost it just after the show ended twice in a row and then lost it again the following year.
– He his friends with with SF9‘s Hwiyoung and Zuho, B.A.P‘s Daehyun, AlphaBAT‘s L:ambda, Aivan, STELLAR‘s Soyoung, BADKIZ‘s Yousi, the members of Camilla, and choreographer Kim Sangjin.
– In terms of Produce 101 trainees he’s close to, he mentioned Yoon Jisung, KENTA・SANGGYUN‘s Sanggyun and WEi‘s Daehyeon.
– Taewoong and Bon were part of the K-pop musical Back to the Stage together with TMC and Pink Fantasy.
– He is a fan of Park Hyoshin.
– His charming points are his eyes, nose and voice.
– His habits are singing on the way, wiping his hands on his pants and biting the inside of his cheek.
– Taewoong’s favorite things are deep sleep and taking half an hour long baths.
– Things he dislikes are sleeping lightly and broken cellphones.
– Motto: “Let’s make a happy day for everyone, not just for me”.

Seunghyun

Stage Name: Seunghyun (승현)
Birth Name: Jung Seung Hyun (정승현)
Position(s): Maknae, Visual, Vocalist
Birthdate: December 18, 1998
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Tiger
Height: 178 cm (5’10”)
Weight: 60 kg (132 lbs)
Blood Type: A
MBTI Type: ISTP
Nationality: Korean
Instagram: @bz_hyun/ @thoma_fuyu

Seunghyun Facts:
– He was born in Cheongju (St. Mary’s Hospital), and grew up in Daejeon, South Korea.
– He is a member of the project group Studio L (2025). Initially introduced as a mystery member under the name Huyuto (후유토), he officially revealed his true identity on June 27, 2025.
– Seunghyun was part of the original Chrome Entertainment trainee group with Bon and Taewoong, which was formed in 2018.
– He enlisted on December 5, 2025, and will be discharged on June 7, 2027.
– He acted in the movie Underground Idol.
– Seunghyun and Taewoong trained together before joining Chrome Entertainment.
– He has an older sister
– He used to be a model and aspiring actor.
– His nicknames are Seungzzang, Pokémon Master, 4D Maknae and Junkbox (a play on his last name and the word jukebox)
– His hobbies are playing games, listening to music and watching movies.
– Seunghyun’s specialties are singing and vocal mimicry.
– His charming points are his eyes and voice.
– His habits are breathing through his mouth and biting his lips
– Seunghyun’s favorite things are fashion, perfumes, games, music, singing and food.
– His happiest moment was the day of his graduation.
– The most difficult moment for him was when he was a trainee.
– A dark moment he wants to forget is when he was filming during his actor days.
– Motto: “Spend your life where you are excited”.

Former Members:
Hamin

Stage Name: Hamin (하민)
Birth Name: Lee Ha Min (이하민)
Position(s): Lead Vocalist
Birthdate: November 18, 1996
Zodiac Sign: Scorpio
Chinese Zodiac Sign: Rat
Height: 177 cm (5’10”)
Weight: 62 kg (136 lbs)
Blood Type: A
MBTI Type: ENFP
Nationalty: Korean
Instagram: @lll8.hm
TikTok: @lll8.hm
YouTube: 하피니스_Happiness

Hamin Facts:
– He was born in Suwon, Gyeonggi-do, South Korea.
– He was added to the group in October 2020.
– Hamin left the group in the first half of 2024 for undisclosed reasons.
– He is a former member of EIGHT (2019).
– Following his departure from the group he promoted in Japan for a bit with the project group LCY (2024), conisting of him, Double.D, and BDC‘s Junghwan.
– He made his solo debut on June 15, 2024, with the EP Look Like U.
– He enlisted in the military on August 5, 2024, and was discharged on February 4, 2026.
– Hamin is a former RBW Entertainment trainee, and trained together with ONEUS and ONEWE.
– He participated on Produce X 101 (2019) as an individual trainee, but was eliminated in episode 5, ranking 63rd.
– Prior to Produce X 101 he was a trainee for 3 years and 5 months.
– He acted in the movie Underground Idol.
– Education: Younsaeng High School.
– He has an older sister who was born in 1995.
– He was a member of the dance club in high school.
– His hobbies are playing the piano, working out (especially climbing and doing push-ups), collecting old photos and videos, writing lyrics, composing music, self-teaching, and imitating Lee Hongki.
– Hamin’s special skills are singing and rapping.
– He is a Protestant Christian.
– His favorite ice cream is Encho ice cream, but he hates the mint chocolate flavored one.
– He loves meat, especially galbi (grilled ribs).
– Hamin describes himself as a very jealous person.
– After Produce X 101 he became close friends with fellow contestants Kim Sunghyun (former IN2IT), Kang Hyeonsu (PLAYBACK7), and Park Yunsol (former NIK).
– Hamin prefers watching movies over dramas. Some movies he always recommends to fans are Dune, About Time, and Last Holiday.
– When he likes a song, he will listen to it on repeat. He gave as example “DrunKen Confession” by Kim Minseok.

Double.D

Stage Name: Double.D (더블디)
Birth Name: Jeong Dong Hwan (정동환)
Position(s): Rapper
Birthdate: April 16, 1997
Zodiac Sign: Aries
Chinese Zodiac Sign: Ox
Height: 175 cm (5’8″)
Weight: 58 kg (128 lbs)
Blood Type: B
MBTI Type: ISTJ
Nationality: Korean
Instagram: @donghwaniiii
TikTok: @donghwanchung

Double.D Facts:
– He was born in Seoul, South Korea.
– He joined Bon, Taewoong and Seunghyun in their trainee group in September 2018.
– Double.D left the group in the first half of 2024 for undisclosed reasons.
– Following his departure from the group he promoted in Japan for a bit with the project group LCY (2024), conisting of him, Hamin, and BDC‘s Junghwan.
– He does a lot of modeling work.
– He acted in the movie Underground Idol.
– Education: Kyungbok University.
– His family consists of his mom, older sister and Mingukie (pet).
– He practices kickboxing.
– His nicknames are DongDong, Dongeuli (meaning ’round’), and A man of reverse charm.
– His hobbies are window shopping, working out and searching for fashion trends.
– Double.D’s specialty is exercising.
– He is interested in fashion.
– He dislikes ghosts, cockroaches, and people who don’t stick to what they say.
– Double.D has a West Highland Terrier/Westie.
– His charming points are his eyes, lips, abs and hips.
– His habit is twirling his hair.
– If he gets hooked on a particular side dish, he only eats that.
– His happiest moments are being with fans and Bz-Boys.
– Double.D’s most difficult moment was during his junior year, where he worked a part time job in the morning and practiced at dusk.
– A dark moment he would like to forget is the talent show he competed in at school.
– Motto: “Make sure to keep my words every time”.

Note 1: Please don’t copy-paste the content of this page to other sites/places on the web. Please do respect the time and effort the authors put in compiling this profile. If you need/want to use info from our profile, please kindly put a link to this post. Thanks a lot! – KProfiles.com

Note 2: The current listed positions are based on Bz-Boys’ officially revealed positions. Hamin revealed that he’s the Main Vocalist, here.

For Reference On MBTI Types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging

Made by: Y00N1VERSE, ST1CKYQUI3TT, & noa (forkimbit)
(Special thanks to: frank, Hirakocchi, Jonathan, B cherry, isabella, brightliliz, Noah, Lou<3, Sunshine__, N.I.C.K, StaceyMartha06, Ssssh, and more!)

Related:
Bz-Boys Discography

Latest Official Release:

Who is your Bz-Boys bias? Do you know more facts about them? Feel free to comment below.