Home » Kpop Boy Groups » BTOB BLUE (BTOB) Members Profile

BTOB BLUE (BTOB) Members Profile

BTOB BLUE Members Profile: Facts & Ideal Types
btob blue
BTOB BLUE (비투비-블루) is the first sub-unit of BTOB. Consisting of the group’s Vocal Line: Eunkwang, Changsub, Hyunsik, and Sungjae. They debuted on September 19, 2016 with the digital single “Stand By Me”.

BTOB BLUE Fandom Name: Melody
BTOB BLUE Official Fan Color: Slow Blue

BTOB BLUE Official Accounts:
Twitter: @officialbtob
Instagram: @cube_official_btob
Facebook: @BTOBofficial
Youtube: @officialbtob
Fan cafe: @cube-btob
Youtube: @officialbtob
vLive: @BTOB channel

BTOB BLUE 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 (136 lbs)
Blood Type: A
Twitter: @btob_sekwang
Instagram: @btob_silver_light

Eunkwang Facts:
– His favorite color is blue.
– Eunkwang and Hyunsik were in the “Law of the Jungle” in Mexico.
– If Eunkwang was a girl, he would like to date Hyunsik.
– Eunkwang and his mother Hwang Soon Ok won “Immortal Song: Family Chuseok Special” with their cover of Sunflower’s “With Love”.
– Eunkwang enlisted on August 21st 2018.
– 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: 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
Instagram: @lee_cs_btob
Twitter: @LeeCS_BTOB

Changsub Facts:
– Changsub, Hyunsik, Sungjae, Minhyuk acted in the drama “Monstar” with Highlight’s Junhyung.
– He participated in “Law Of The Jungle” (Mongolia edition)
– He sang the OST song “Falling” for the kdrama “A Poem A Day’.
– He was the first member to debut his own solo album called “bpm 82.5”.
– Changsub enlisted on February 15, 2019.
– Changsub’s ideal type: Someone with a small egg shaped face, with long straight hair or wavy curls, wears sports shoes, height 165cm, s line, smiley eyes, someone who is more lively than me and thinks before acting, doesn’t  put on thick make up, milky white skin, someone who leads me on, someone who will go with me to Busan’s haeundae to look at the sea and eat sashimi, to go to awesome place to have coffee together, eat pork soup with rice at night..


Stage Name: Hyunsik (현식)
Birth Name: Im Hyun Sik (임현식)
Position: Main Dancer, Lead Vocalist
Birthday: March 7, 1992
Zodiac Sign: Pisces
Nationality: Korean
Height: 177 cm (5’10”)
Weight: 66 kg (145 lbs)
Blood Type: A
Instagram: @imhyunsik

Hyunsik Facts:
– Hyunsik can hold liquor the best among the members.
– He has a really big appetite, he finished 4 bowls of instant rice and 3 different korean dishes in one seating. (Hyena on the Keyboard)
– Hyunsik’s favorite season is winter.
– He is more confident with his shoulders than his abs.
– Hyunsik and EXID’s Hani are really close friends. (Hyena on the Keyboard)
– If Hyunsik was a girl, he would like to date Sungjae.
– Hyunsik’s ideal type: extraordinary, someone who is more special than I am, someone who is very adorable but will be very sexy when she is next to me, someone who is not too boring, someone who is willing to give but knows that she is lacking, a woman who complements me.
Show more Hyunsik fun facts…


Stage Name: Sungjae (성재)
Birth Name: Yook Sung Jae (육성재)
Position: Lead Vocalist, Face of the Group, Maknae
Birthday: May 2, 1995
Zodiac Sign: Taurus
Nationality: Korean
Height: 180 cm (5’11”)
Weight: 68 kg (149 lbs)
Blood Type: A
Instagram: @yook_can_do_it
Twitter: @BTOB_6SJ
Weibo: @yooksungjai

Sungjae Facts:
– Sungjae has a Snow Bengal cat, named Sami.
– Sungjae doesn’t like showing his body.
– Sungjae chooses Suzy as the female idol he wants to date.
– Sungjae likes older women.
– Sungjae filmed “We Got Married” with Joy from Red Velvet.
– He was in a parody band called Big Byung, along with VIXX’s N and Hyuk, and GOT7’s Jackson.
– Sungjae and Wanna One’s Ong Seongwoo were classmates in Hanlim Arts School.
– Sungjae participated in Fantastic Duo as Gummy’s partner and won.
– Sungjae joined the reality-variety program “Real Men” (2014-15), was a co-MC with SJ’s Kangin and f(x)’s Amber on “A Song For You”, was the main host of Inkigayo Sept 2015-May 2016.
– If Sungjae was a girl, he would date Minhyuk.
– Sungjae’s ideal type: Has droopy shaped big eyes, black and straight long hair, someone who is sexy but will show me her cute side, has a belly button which looks good, slender figure and is glamorous, I want to put my arm around her waist and walk along the beach together, watch movie, eat…

Profile made by Felipe grin§

(Special thank to fukigén )

Note : Please don’t copy-paste the content of this page to other sites/places on the web. If you use info from our profile, please kindly put a link to this post. Thanks a lot! 🙂 – Kprofiles.com

Who is your BTOB BLUE Bias?

Latest Korean Comeback:

Who is your BTOB BLUE bias? Do you know more facts about them? Feel free to comment below. 🙂