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BTOB 4U Members Profile

BTOB 4U Members Profile: Facts & Ideal Type

BTOB 4U (비투비 포유) is the second sub-unit of BTOB. Consisting of 4 members: Eunkwang, Minhyuk, Changsub, and Peniel. The name means “For you” and also refers to how there are four members in the unit. They  made their debut on November 16, 2020 with their first mini album titled “Inside“.

BTOB 4U Fandom Name: Melody
BTOB 4U Official Fan Color: Slow Blue

BTOB 4U Official Accounts:
Twitter: @officialbtob
Instagram: cube_official_btob
Facebook: BTOB
YouTube: BTOB 비투비
Fan Cafe: cube-btob
V Live: BTOB
TikTok: @official_btob

BTOB 4U Members Profile:

Stage Name: Eunkwang (은광)
Birth Name: Seo Eun Kwang (서은광)
Position: Leader, Main Vocalist
Birthday: November 22, 1990
Zodiac Sign: Sagittarius
Nationality: Korean
Official Height: 173 cm (5’8″)/ Real Height: 170.5 cm (5’7″)
Weight: 62 kg (137 lbs)
Blood Type: A
Specialties: Vocals, piano
Sub-UnitBtoB Blue

Eunkwang Facts:
-He was born in Yongin, Gyeonggi, South Korea.
-Family: Brother Seo Eunchong (1993), Mother Hwang Soon-ok, Father.
-Education: Dongshin University majoring in Practical Music.
-On August 13, 2020, he was appointed as a member of Cube Entertainment’s board of directors.
-Enlisted on August 21, 2018 and was discharged on April 7,2020.
-Released his first solo album “FoRest: Entrance” on June 8, 2020.
-Cast in the musical “Something Rotten!” playing Nick Bottom.
-In 2020 he was appointed honorary ambassador of his hometown; Yongin.
Eunkwang’s ideal type: Someone with a kind heart, goes to church, has double eyelids, medium sized beautiful big eyes, thick lips, small waist, no height limitation, only loves me, long straight hair, and likes it when she puts one side of her hair behind her ears.
Show more Eunkwang fun facts…


Stage Name: Minhyuk (민혁)
Birth Name: Lee Min Hyuk (이민혁)
Position: Main Rapper, Lead Dancer, Vocalist, Visual
Birthday: November 29, 1990
Zodiac Sign: Sagittarius
Official Height: 173 cm (5’8″) / Real Height: 171 cm (5’7″)
Weight: 61 kg (134 lbs)
Blood Type: A
Nationality: Korean
Specialties: Writing lyrics, composing music, rap making, exercising, acrobatics.

Minhyuk Facts:
-He was born in Seoul, South Korea.
-He has an older brother name Jungmin.
-He graduated from Kwangsung High School and attended Dankook University, majoring in Musical.
-Released his first album on January 15, 2019 under the name Huta.
-Enlisted on February 7, 2019, due to COVID-19 he was discharged early on September 12, 2020.
-Set to make his silver screen debut in the upcoming historical film “The Swordsman” as Gyeon Sa-bok.
Minhyuk’s ideal type: Has cute smiley eyes, has a small face with a body proportion of 1:8, has complete self management, firm and elastic figure from exercising, occasionally revealing the expressions like a kitten or puppy, a well-liked person who is kind, and knows how to aegyo, has clean and clear skin and neat teeth, someone who can watch ball games together, go to amusement parks together, go to famous tourist attractions for holiday, traveling on trains, to travel everywhere.
Show more Minhyuk fun facts…


Stage Name: Changsub  (창섭)
Birth Name: Lee Chang Sub (이창섭)
Position: Lead Vocalist
Birthday: February 26, 1991
Zodiac Sign: Pisces
Nationality: Korean
Height: 178 cm (5’10”)
Weight: 64 kg (141 lbs)
Blood Type: O
Specialties: Piano and Drums
Sub-Unit: BtoB Blue

Changsub Facts:
-He was born in Suwon, Gyeonggi-do, South Korea.
-He has a younger sister named Jungeun.
-He studied Practical Music at Howon University with fellow BTOB member Hyunsik.
-MBTI: ENTJ( based on vLive on 08/23/2020), initial result was ISTJ.
-He was the first member to debut solo with “bpm 82.5” in Japan.
-He then debuted solo in Korea with his mini album titled “Mark” in December of 2018.
-Enlisted on January 14, 2019, due to COVID-19 he was discharged early on July 29, 2020.
Changsub’s Ideal Type: Someone who has a small, egg-shaped face, with long straight or wavy/curly hair, wears sneakers, height of 165cm, they have an s line, and smiley eyes. Also someone who is more lively than him but thinks before acting.  They don’t put on thick makeup, have milky white skin, and someone who leads me on.  Someone who will go with me to the haeundae at Busan to look at the sea and eat sashimi, to an awesome place to have coffee together, and eat pork soup with rice at night.
Show more Changsub fun facts…


Stage Name: Peniel (프니엘)
Birth Name: Shin Dong Geun (신동근)
Position: Lead Rapper, Vocalist, Maknae
Birthday: March 10, 1993
Zodiac Sign: Pisces
Height: 175 cm (5’9″)
Weight: 63 kg (139 lbs)
Blood Type: AB
Nationality: Korean-American
Specialties: Guitar

Peniel Facts:
-He was born in Chicago, Illinois, US.
-He has an older sister name Jennifer.
-Speaks Korean and English.
-On September 18, 2016, BTOB Blue released a MV for their debut single which was directed by Peniel.
-In 2019, Peniel was selected to host an English K-Pop radio show, “Skool of K-Pop” on tbs eFM.
-On February 12, he was cast in DIVE studios variety program “HWAITING“.
-Hosts a podcast with Ashley (Ladies Code) and BM (KARD) called “Get Real“.
Peniel’s ideal type: A girl with a beautiful smile, must definitely not smoke. Hope she would be either pretty or adorable, someone who is positive, and able to fit in well.
See more about Peniel Fun Facts

Related: BTOB

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Special Thanks to: (Country Ball, @abcexcuseme, LostInTheDream)

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About the author



Hi, the name's Lily and as you can tell, I love A.C.E's Kang Yuchan
Favorite groups are. BTOB and EXO
I am very outgoing and love K-Ballads
Main Vocal is my bias position
Not much else to say haha!