- Stage & Birth Name: Sung Han Bin (성한빈)
- Position: Leader, Main Dancer, Vocalist, Visual
- Agency: Studio GL1DE
- Birth Date: June 13th, 2001
- Stature: 179.6 cm (5’10½”)
- Weight: 64 kg (141 lbs)
- Blood Type: O
- Nationality: South Korean
- MBTI: ENFJ
- Zodiac Sign: Gemini
- Chinese Zodiac: Snake
- Official Representative Emoji: 🐹

- Hanbin is from Chungcheongnam-do, South Korea, where he grew up with his parents and a younger sister born in 2005.
- He possesses multilingual skills, speaking fluent Korean and English along with basic Chinese.
- He dedicated one year and eight months to professional training prior to his participation in Boys Planet.
- He was a former trainee under Cube Entertainment before transitioning to his current agency, Studio GL1DE.
- Hanbin has a professional background as a backup dancer, having performed with Wanna One for Boomerang at SBS Gayo Daejeon 2018 and BTS for Dionysus at MMA 2019.
- He secured his place in the final lineup of ZEROBASEONE with a total of 1,888,414 votes during the survival show finale.
- He serves as the group's leader and cites NCT’s Jaehyun as his primary role model in the industry.
- Hanbin is a skilled pianist and specializes in dance genres such as waacking and tutting.
- Hanbin has two distinct tattoos, with one located on his right inner arm and another on his chest.
- He made his official debut as a music show host on Mnet’s M Countdown on September 7, 2023.
- He contributed to the soundtrack of the K-drama My Lovely Liar in 2023 with the song Luv Luv Luv.
- He manages his personal life alongside two pet dogs named Bori and Gwansim.
- He enjoys hobbies such as writing, reading, and creating original choreography during his downtime.
- He often mentions that he believes his physical features resemble those of a cat.
- He maintains a very close friendship with fellow member Zhang Hao, a bond that was famously established during their time on Boys Planet.
- Hanbin is known for a unique physical specialty of being able to endure and handle very hot objects or temperatures.

Stage & Birth Name: Kim Ji Woong (김지웅)
Position: Vocalist, Rapper, Visual
Agency: Nest Management (Managed by WAKEONE for group activities)
Birthday:December 14th, 1998
Nationality: South Korean
Zodiac Sign: Sagittarius
Height: 181 cm (5’11”)
Weight: 66 kg (146 lbs)
Blood Type: AB
MBTI Type: ENFJ
Representative Emoji: 🐈‍⬛

Stage / Birth Name: Seok Matthew (석매튜)
Korean Name: Seok Woo Hyun (석우현)
Position: Vocalist, Rapper, Dancer
Birthday: May 28th, 2002
Zodiac Sign: Gemini
Chinese Zodiac Sign: Horse
Height: 170 cm (5’7″)
Weight: N/A
Blood Type: B
MBTI Type: ENFJ
Representative Emoji: 🦊 (Fox)
Nationality: Canadian-Korean
Company: MNH Entertainment

- Matthew was born and raised in Vancouver, Canada, where he attended Earl Marriott Secondary School in Surrey, British Columbia.
- He is of Canadian-Korean dual nationality and is the younger sibling of an older sister, who is also a dancer.
- He is a polyglot who can communicate in English, Korean, and French, having been enrolled in a French immersion program during his high school years.
- Before pursuing his dream as an idol, he was a Health Sciences major in university but decided to move to South Korea to train.
- He spent a total of one year and six months as a trainee before joining the survival show Boys Planet.
- He was a former trainee at Cube Entertainment, where he first met and became close friends with fellow member Sung Han Bin.
- He later joined MNH Entertainment and entered Boys Planet as a G-Group contestant, eventually ranking 3rd in the finale with 1,702,174 votes.
- He cites Jay Park (Park Jaebeom) as his primary role model and previously mentioned Sam Kim’s "Seattle" as his favorite song.
- He has several tattoos, including one on his right inner arm that says "H.M.C" (referencing the movie Howl's Moving Castle) and another traditional pattern on his shoulder.
- He is known for his "Happy Virus" personality and a unique specialty of being able to fall asleep anywhere within two minutes.
- He possesses a pet cat named Gia, whose name was inspired by the Pokémon Lugia.
- In early 2026, he collaborated with Park Gun Wook to release the OST "Backpacker" for the series Study Group.
- He officially renewed his commitment to ZEROBASEONE in February 2026. 

Stage Name: Kim Tae Rae (김태래)
Position: Main Vocalist
Birthday: July 14th, 2002
Zodiac Sign: Cancer
Chinese Zodiac Sign: Horse
Height: 174 cm (5’8½”)
Weight: N/A
Blood Type: O
MBTI Type: ENTJ (Recently updated from ESTJ in 2024)
Representative Emoji: 🦆 (Duck)
Nationality: Korean
Company: WAKEONE

- Taerae was born in Dongnam-gu, Cheonan, Chungcheongnam-do, South Korea, where he lived until moving for his training.
- He has an older sister and was known for being a diligent student, even serving as the class president during his school years.
- He began playing the guitar in the 5th grade and frequently performed at church events and school festivals as a youth.
- Prior to joining Boys Planet, he competed on the 2020 musical survival show Top 10 Student, where he was noted for his "newtro" vocal style.
- He spent a total of two years and one month as a trainee under WAKEONE before making his official debut.
- He successfully reached the final lineup of ZEROBASEONE by ranking 6th overall with 1,338,321 votes in the show's finale.
- He is highly regarded as the group's Main Vocalist, known for a powerful yet soulful voice and a signature habit of moving his eyebrows while singing.
- He has a unique physical "specialty" where his lips form a distinct triangle shape when he smiles or sings.
- Taerae is an avid fan of gaming and enjoys playing titles like Valorant and Battleground in his spare time.
- He is a collector of LEGO sets and plastic car models, often displaying them in his living space.
- He holds a 4th dan black belt in Taekwondo, having practiced the martial art since the 4th grade.
- He contributed the solo track "More Than Enough" to the official soundtrack of the hit K-drama Queen of Tears in 2024.
- He released the digital single "If You" in 2025, which further highlighted his capabilities as a soloist.
- He recently updated his MBTI type from ESTJ to ENTJ in 2024, noting a shift in his leadership and planning style.
- He officially reaffirmed his commitment to the group in March 2026, transitioning into the new five-member lineup to sustain the ZEROBASEONE brand.
- He chose the Italian name "Santonio" for himself during a group variety segment.

Stage Name: Park Gun Wook (박건욱)
Position: Vocalist, Rapper, Dancer
Birthday: January 10th, 2005
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Monkey
Height: 184 cm (6’0″)
Weight: 73 kg (161 lbs)
Blood Type: O
MBTI Type: ENTJ
Representative Emoji: 🐻
Nationality: Korean
Company: Jellyfish Entertainment

- Gunwook was born in Gyeonggi-do, South Korea, and has an older brother who is also known to be supportive of his career.
- He was a high-achieving student in school, serving as both the class president and the vice president of the student council.
- He possesses a diverse athletic background, having played soccer competitively and practiced Kumdo (Korean kendo).
- He first appeared on the survival show scene in 2021 as a contestant on Wild Idol, where he narrowly missed the final lineup for the group TAN.
- He secured 5th place in the Boys Planet finale with 1,386,039 votes, becoming the "all-rounder" representative of the group.
- He is known for his immense physical strength and "giant baby" persona, standing as one of the tallest members in the group.
- He is a proficient rapper and lyricist, often contributing to the group's rap verses and performance arrangements.
- He cites Chris Brown and BTS's Jungkook as his musical role models.
- He collaborated with Seok Matthew on the 2026 OST "Backpacker" for the webtoon-based series Study Group.
- He is a self-proclaimed "foodie" and enjoys watching mukbangs to de-stress after long practice sessions.
- He officially renewed his contract with WAKEONE in March 2026 to continue as a member of the reorganized five-piece group.

Stage Name: Zhang Hao (章昊 / 장하오)
Korean Name: Jang Ha Neul (장하늘)
Position(s): Main Vocalist, Visual, Center
Birthday: July 25th, 2000
Zodiac Sign: Leo
Chinese Zodiac Sign: Dragon
Height: 180.5 cm (5’11”)
Weight: 64 kg (141 lbs)
Blood Type: A
MBTI Type: ISFP
Representative Emoji: 🐼
Nationality: Chinese
Company: YH Entertainment (formerly Yuehua)

- Zhang Hao was born in Fujian, China, and is an only child who consistently ranked in the top 10 of his classes during middle and high school.
- He is a highly educated musician who holds a music teacher's license, which he earned after graduating as a Music Education major.
- He achieved the top score on the college entrance exam for the Arts department at Fujian Normal University, one of the premier music programs in China.
- Before moving to South Korea in 2021, he was originally enrolled in the China University of Geosciences, a world-leading institution in its field.
- He made history as the first non-Korean contestant to rank 1st in the finale of an Mnet survival show, receiving 1,998,154 votes to become the center of ZEROBASEONE.
- He is a classically trained violinist and frequently performed at weddings and events prior to his debut to support his studies.
- He is a polyglot who communicates fluently in Chinese and Korean, and possesses proficient skills in English and Japanese.
- He cites GOT7 as his primary role model in the K-pop industry and considers their song "Lullaby" to be one of his favorites.
- He has established himself as a "blue chip" in the advertising world, serving as a brand ambassador or spokesperson for major labels including Gucci, Olay, and Vaseline.
- He became the first 5th-generation idol to win the OST Popularity Award at the Blue Dragon Series Awards for his solo track "I Wanna Know."
- He graced the cover of V Magazine China in March 2026, a pictorial widely celebrated by fans as a transition into his next career chapter.
- He officially concluded his 2.5-year journey as the center of ZEROBASEONE on March 15, 2026, following the group's final encore concert at the KSPO Dome.
- On March 18, 2026, reports indicated he is preparing to re-debut in a new boy group under Yuehua Entertainment, tentatively named NDOUBLE, scheduled for May 2026.
- He is known by the nickname "Jjanguri" among fans and often mentions that he resembles a red panda or a shark when he smiles.

- Stage / Birth Name: Ricky (리키 / 沈泉锐)
- Chinese Name: Shěn Quánruì (沈泉锐)
- Position: Vocalist, Visual
- Birthday: May 20th, 2004
- Zodiac Sign: Taurus
- Chinese Zodiac Sign: Monkey
- Height: 184 cm (6’0″)
- Weight: N/A
- Blood Type: A
- MBTI Type: INTP (Previously ENFP)
- Representative Emoji: 🐱 (Cat) / 🍓 (Strawberry)
- Nationality: Chinese
- Company: YH Entertainment (formerly Yuehua)

- Ricky was born in Shanghai, China, and spent his formative years living in Los Angeles, California, which contributed to his fluent English skills.
- He is known for his signature catchphrase "Young and Rich, Tall and Handsome," which he introduced during his first appearance on Boys Planet.
- He spent a total of two years and two months as a trainee under Yuehua Entertainment before competing for a spot in ZEROBASEONE.
- He secured 4th place in the Boys Planet finale with a total of 1,572,089 votes, consistently gaining popularity for his distinct stage presence.
- He is a talented artist who enjoys fine arts and spent much of his childhood practicing drawing and painting.
- He has a meaningful tattoo on the left side of his neck that reads "Rolemodel," symbolizing his desire to become a person others can look up to.
- He cites G-Dragon from BIGBANG as his primary musical role model and inspiration for his unique fashion sense.
- He is often referred to by the nickname "Lovicky" by fans, a combination of "Love" and "Ricky" used to describe his surprisingly sweet personality.
- He established himself as a high-fashion icon during his time in ZB1, securing solo brand collaborations with luxury names like Urban Decay and Gucci.
- He released a special solo cover project in January 2026 as a farewell gift to the 9-member era, showcasing his vocal growth and versatility.
- He officially concluded his time with ZEROBASEONE on March 15, 2026, delivering a tearful final speech promising that he will "never fade" from fans' memories.
- On March 18, 2026, it was officially reported that Ricky will re-debut as a member of Yuehua's new boy group, NDOUBLE, on May 26, 2026.
- He is currently in intensive preparations for his fresh start with fellow former ZB1 members Zhang Hao, Kim Gyu Vin, and Han Yu Jin.
- He frequently mentions his love for strawberry milk, which led fans to adopt the strawberry as one of his representative symbols.

Stage Name: Kim Gyu Vin (김규빈)
Chinese Name: Jīn Kuíbīn (金奎彬)
Position: Vocalist, Rapper, Main Dancer
Birthday: August 30th, 2004
Zodiac Sign: Virgo
Chinese Zodiac Sign: Monkey
Height: 188 cm (6’2″)
Weight: 63 kg (139 lbs)
Blood Type: B
MBTI Type: ENFP (Often tests as ENFJ)
Representative Emoji: 🐶 (Puppy)
Nationality: South Korean
Company: YH Entertainment (formerly Yuehua)

- Gyuvin was born in Apgujeong-dong, Gangnam-gu, Seoul, and is the eldest of four siblings, having two younger brothers and one younger sister.
- He is remarkably tall, standing at 188 cm, and is well-known among fans for his exceptionally long legs and small face proportions.
- He was a trainee for a total of three years and 11 months across several agencies, including a period at YG Entertainment, before joining Yuehua.
- He secured 7th place in the Boys Planet finale with 1,346,105 votes, becoming a key member of the ZEROBASEONE lineup.
- He is a multi-talented performer who specializes in urban dance and hip-hop, often contributing to the group's performance dynamics.
- He served as a fixed MC for the music show Show! Music Core in 2025, receiving praise for his bright energy and stable hosting skills.
- He is deeply interested in fashion and modeling, frequently attending major events like the Miss Gee Collection 2026 Spring/Summer show in Seoul.
- He possesses a strong sense of humor and is considered one of the group's "mood makers," often engaging in playful "tom and jerry" antics with his members.
- He is a pet lover and owns a distinctive Italian Greyhound named Eumppappa, who has made several appearances in group content.
- He released a special collaborative track titled "Only One Story" for the Pokémon Horizons series in late 2024.
- He officially concluded his 2.5-year contract with WAKEONE on March 15, 2026, after the group's successful "HERE & NOW" encore concert.
- On March 18, 2026, YH Entertainment confirmed that Gyuvin will re-debut in the new boy group NDOUBLE alongside Zhang Hao, Ricky, and Han Yu Jin.
- He is currently preparing for his second debut on May 26, 2026, focusing on showing a more mature and refined side to his fans.
- He is known for his large appetite and often mentions that his favorite comfort food is Galbi (Korean BBQ).

Stage Name: Han Yu Jin (한유진)
Stage / Birth Name: Han Yu Jin (한유진)
English Name: Noah
Position: Vocalist, Visual, Maknae
Birthday: March 20th, 2007
Zodiac Sign: Pisces
Chinese Zodiac Sign: Pig
Height: 181 cm (5’11”)
Weight: N/A
Blood Type: O
MBTI Type: INTJ
Representative Emoji: 🐰 (Rabbit)
Nationality: South Korean
Company: YH Entertainment (formerly Yuehua)

- Yujin was born in Suwon, Gyeonggi-do, South Korea, and spent much of his childhood in Yongin before pursuing his training in Seoul.
- He is the elder of two brothers and attended Hanlim Arts High School, where he officially graduated from the Practical Dance Department in early 2026.
- He underwent a training period of two years and three months under Yuehua Entertainment before appearing on the survival show Boys Planet.
- He secured his place in the final lineup of ZEROBASEONE by ranking 9th with a total of 1,196,622 votes.
- He is a specialist in urban dance and waacking, having trained with professional crews prior to becoming an idol.
- He served as a fixed MC for the music show SBS Inkigayo from April 2024 until September 2025 alongside IVE's Leeseo.
- He launched a special "coming-of-age" project titled YUJIN TWENTY in January 2026 to celebrate his transition into adulthood.
- He contributed to the OST for the 2025 series Twelve with the track "Salvation," a collaboration with members Ricky and Park Gun Wook.
- He cites SHINee’s Taemin, EXO’s Kai, and Stray Kids’ Hyunjin as his primary role models for their performance skills.
- He officially concluded his 2.5-year journey with ZEROBASEONE on March 15, 2026, following the group's final encore concert.
- On March 18, 2026, it was officially reported that Yujin will re-debut as a member of the new boy group NDOUBLE under YH Entertainment.
- He is scheduled to make his second debut on May 26, 2026, alongside his former teammates Zhang Hao, Ricky, and Kim Gyu Vin.
- He is currently preparing for his 2026 university entrance exams while simultaneously training for his new group’s debut.
- He is an avid fan of soccer and frequently mentions his love for the sport during his downtime.