Boy Groups

B1A4 Members Profile & Facts


B1A4 is a Korean 3-member K-pop boy group under WM Entertainment. The group members consist of CNU, Sandeul, and Gongchan. They debuted on April 23, 2011, with the single “O.K” from the EP Let’s Fly.

B1A4 Profile

DebutApril 23, 2011
Active Years2011–present
B1A4 MembersCNU, Sandeul, Gongchan
GenreK-POP , dance , ballad , dance pop
Oldest MemberCNU
Youngest MemberGongchan
Former MemberJinyoung, Baro
Fandom NameBaNa
Fandom ColorPastel Apple Lime

B1A4 Facts:

– B1A4 originally had 5 members but an announcement was made that two members, Jinyoung and Bora didn’t renew their contract with WM Entertainment and left the agency.
– It was stated that on November 16th, 2018, WM Entertainment decided to move forward with the remaining 3 members, CNU, Sandeul, and Gongchan.
– Their fandom name BaNa is a mixture of BA being the group name and NA being the fans, which loosely translates to “Banada” (fallen in love with).
– Their albums are distributed through LOEN Entertainment.
– The group’s Japan’s distributor is Universal Music Japan and Korea’s distributor is Sony Music Entertainment.
– The group’s opening line is “Let’s Fly, B1A4! Hello, this is B1A4!”
– The group was close friends with VIXX, BTS, GOT7, and BLOCK B.
– All of the members have no brothers.
– They have filmed commercials for Smart School Uniform, Hats On, Puma, Love Beat, Litmus, K-SWISS, Okkudak, Tony Moly, FILA, Bbongtteulak Pizza, Hulala Chicken, Tox & Feel, Chase Cult, etc


– They have won many awards like Rookie of the Year, Rookie Award, New Asian Artist Award, Rookie Award Group Category, Minister of Culture, Sports and Tourism Award, Main Award in the Album Category, Mainprize, Popularity Award, and Netizen Popularity Award.
– For the music shows and comebacks they won first position 4 times on Music Bank, 3 times on show! Music Core, 6 times on Show Champion and once on SBS Inkigayo, M Countdown, and the show.
– Their songs What’s Going On?, Lonely, SOLO DAY, Sweet Girl and It’s a Lie have won them 16 times on music shows.

Website: || (Japan)

Youtube: B1A4 OFFICIAL +
Twitter: _b1a4official || Official_B1A4jp (Japan)
Weverse: b1a4
Bilibili: B1A4
Fromm Store: B1A4
Facebook: wm.b1a4

Streaming Platform Links
Genie | Spotify | Bugs | Melon | Apple Music | Deezer

B1A4 Members Profile

1. CNU

CNU B1A4 member
Stage NameCNU (신우)
Birth NameShin Dong Woo (신동우)
PositionMain Dancer, Lead Vocalist, Lead Rapper
BirthdayJune 16, 1991
Active Years2011–present
Age33 (in 2024)
Zodiac SignGemini
Height182 cm (6’0″)
Weight64 kg (141 lbs)
Blood TypeA

Instagram: realcnu
Twitter: b1a4_cnu

CNU Facts:

– CNU was born in Chungbuk Cheongju, South Korea.
– He is the tallest person in the group.
– His father and mother were born in 1964 and his sister was born in 1986.
– His name has a meaning which is “a dependable & sweet natured friend”.
– He has been in dramas like Ms. Ma Nemesis and Sent From Heaven.
– His shoulder width is 57cm.
– He was discharged from his military service on August 28, 2020.
– He would be a mom if B1A4 were a family.
– He owns a pet dog named Gon, and he’s a Bedlington Terrier.
– He was the last person to become a part of the group.
– He does Taekwondo.
– He attended Bongjeong Elementary School, and Bongmyeong Middle and High School.
– He has been in musicals like Hamlet, Chess, and The Three Musketeers.
– His ideal type is a motherly mature woman, he revealed that Krystal was his ideal type but he also liked Go Hyun Jung.
– He went to Hanyang University in the Department of Theater and Film.
– A few of his nicknames are Donu, Sindonu, Bear, Kirmak, Shinpo, and Hot Bear.
– CNU has sung OSTs for Cinderella and the Four Knights, Wise Prison Life, Ghost Doctor, and Go for the 1st Prize Winnings.

2. Sandeul

Sandeul B1A4 member
Stage NameSandeul (산들)
Birth NameLee Jung Hwan  (이정환)
PositionMain Vocalist
BirthdayMarch 20, 1992
Active Years2011–present
Age32 (in 2024)
Zodiac SignPisces
Height178 cm (5 ft 10 in)
Weight61 kg (134 lb)
Blood TypeA

Instagram: sandoriganatanatda || samdol_sandeul
Twitter: sandeul920320

Sandeul Facts:

– Sandeul was born in Busan, South Korea.
– He has an older sibling, Lee Jiwon born in 1990.
– His shoe size is 270mm.
– He has Gongchan’s picture set as his laptop’s background.
– He has very cute eyes and is known for it.
– He has a pet dog named Mango, and he’s a chihuahua.
– He made his solo debut in October 2016 with “Stay As You Are” extended play.
– He is close friends with DAY6’s Sungjin as they went to school together, BTS’s Jin, he went to the amusement park with him, and VIXX’s Ken.
– He went to Shinnam Elementary School, Hanam Middle School, and Donga High School.
– He was in musicals like Cinderella, Sherlock Holmes: The Missing Children, Brother We’re Brave, All Shook Up, The Three Musketeers, Iron Mask, The Thousandth Man, and Thirty Something.
– He and Baro would be older siblings if B1A4 were ever a family.
– He attended Myongji University in the Department of Film Musical and Musical Performance Major.
– He enjoys cooking and swimming.
– He was fourth in line to become a member.
– He was discharged from the military on August 10th, 2023.
– He is in a group chat of 92 liners which includes MAMAMOO’s Moonbyul, BTS’s Jin, Sandeul, and Baro from B1A4, EXID’s Hani, and VIXX’s Ken.
– His ideal type is a woman who does her best with her work.
– A few of his nicknames are Duck, Bbangppangi, Mochi, Flowering Ogolgye, Sandol, Samdol, and Sandori.
– His father Lee Wanchun was born in 1959 and his mother was born in 1967.

3. Gongchan

Gongchan B1A4 member
Stage NameGongchan (공찬)
Birth NameGong Chan Shik (공찬식)
PositionLead Dancer, Vocalist, Visual/Face of the Group, Maknae
BirthdayAugust 14, 1993
Active Years2011–present
Age30 (in 2024)
Zodiac SignLeo
Height181 cm (5’11”)
Weight60 kg (132 lbs)
Blood TypeA

Instagram: gongchanida
Twitter: b1a4_gongchan

Gongchan Facts:

– Gonghcan was born in Jeollam Suncheon, South Korea.
– He has a younger sibling born in 1997.
– He went to Suncheon Bibong Elementary School and Suncheon Isu Middle School.
– He is really good at his fan service.
– His hyungs thought he was chic because of his shyness during his trainee days.
– His military service was Wartime Labor Station.
– He was a new MC for the fourth season of KBS A Song For You, along with f(x)’s Amber and Super Junior’s Kangin in 2015.
– He eats with his left hand and writes with his right hand.
– A few of his nicknames are Maknae, poopy puppy, Mr. Shoot, Bolchan, Gonchan, Chani, Seochiwang, and Mr. Shoot
– He’s close friends with VIXX’s Hongbin, and he has filmed celeb bromance with him.
– He studied at the Seoul School of Performing Arts.
– He starred in dramas like Lonely Enough to Love, Delicious Love, Travel Through Romance 1.5, and Dear My Name.
– He released his very first solo song in 2020 and was on the list of their album, “Origine”.
– He would be the youngest sibling if B1A4 were ever a family.
– He is the best at math out of all of the members.
– Since he’s the oldest in his family, he has a mature side despite being the maknae of the group.
– He is left-handed.
– He was on Mamamoo’s ‘Piano Man’ MV.
– He and Jinyoung (former member) have the same phobia which is Acrophobia, but according to them, they have overcome it by now.
– His shoe size is 270mm.

Former Members:

4. Jinyoung

Jinyoung B1A4 member
Stage NameJinyoung (진영)
Birth NameJung Jin Young (정진영)
PositionLeader, Lead Vocalist
BirthdayNovember 18, 1991
Active Years2011–present
Age32 (in 2024)
Zodiac SignScorpio
Height178 cm (5’10”)
Weight59 kg (130 lbs)
Blood TypeA


Cafe Naver: jinyoungofficial
Weibo: JINYOUNG911118
SoundCloud: jinyoung1118
Instagram: jinyoung0423 || jinyoung_bbstaff
Twitter: _jinyoung911118

Jinyoung Facts:

– Jinyoung was born in Cheongju, Chungcheongbukdo, South Korea.
– He has an older sibling.
– His shoe size is 265mm.
Gongchan was picked by him as the most handsome member.
– He enjoys Spam.
– He owns a cat named Bly and he’s a munchkin.
– He starred in several dramas like My First First Love, Love in the Moonlight, Persevere Goo Hae-Ra, The Thousandth Man, If We Were a Season, Warm and Cozy, and She is Wow.
– He received the Best New Actor award for his role in Love in the Moonlight.
– He went to Chungju Namsan Elementary and Middle School.
– He has composed, written, and produced songs for groups like I.O.I, Oh My Girl, and B1A4.
– He’s close friends with Henry (SJ-M).
– He attended Jungsan Foreign Language High School and Cheongju University in the Department of Theater and Film.
– He also starred in movies like The Dude In Me and Miss Granny.
– He signed a new contract with LINK8 agency on July 8, 2018, after leaving WM Entertainment on June 30, 2018.
– A few of his nicknames are Grandpa, Jinyeong, Jignon, Fox, and Jinthoben.
– His ideal type is a woman who’s older and respectful.
– He would be the Dad if B1A4 were ever a family.
– He’s good at cooking.
– His laptop is his biggest treasure.
– He and Gongchan have Acrophobia but they confirmed later that they have overcome it.
– For Girls Next Door from Idol Operation Team, he wrote them the “Deep Blue Eyes”.

5. Baro

baro B1A4 Member
Stage NameBaro (바로)
Birth NameCha Sun Woo (차선우)
PositionMain Rapper
BirthdaySeptember 5, 1992
Active Years2011–present
Age31 (in 2024)
Zodiac SignVirgo
Height178 cm (5’10”)
Weight63kg (139 lbs)
Blood TypeB

Instagram: baroganatanatda
Twitter: baro920905
SoundCloud: Jinyoung

Baro Facts:

– Baro was born in Gwangju, South Korea.
– He has a younger sibling.
– His Catholic name is Leo.
– His sister, Cha Yoongji is a soloist under WM Entertainment.
– He always looks cute whenever he tries to act cool.
– His shoe size is 255mm.
– He’s terrified of heights.
– He loses confidence whenever he doesn’t wear his caps.
– He owns a pet dog named Yulmu and he’s a Poodle.
– He starred in a movie called Close Your Eyes.
– He signed a contract under HODU&U Entertainment on July 16, 2018, after leaving WM Entertainment on June 30, 2018.
– He went to Donglim Elementary School and Sogang Middle School.
– His ideal type is a woman who can always make him feel good and be next to him.
– If he would be older siblings with Sandeul if B1A4 were a family.
– He was in Gwangju Jeil High School but later transferred and attended Yeomgwang High School.
– He misses dating, the last he dated was in high school.
– He has the skill to beatbox.
– He was discharged from his military service on February 20th, 2021.
– He ws the group’s vitamin.
– Commuting to the school was the hardest part of living in dorms for him.
– Squirrel is his nickname.
– He was in dramas like Melting Me Softly, Less than Evil, The Master of Revenge, Persevere, Goo Hae-Ra, Reply 1994, Level Up, Manhole, Angry Mom, and God’s Gift – 14 Days.
– He has now signed with Media Lab Seesaw after leaving HODU&U Entertainment.

B1A4 Photos

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Kim Hyrin

Hi! It's Hyrinnie here, your know-it-all author ;). please don't be shy to point out any mistakes if you see, and contact me if you know further more facts! <3 xoxo.

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