Group Members

Lee Changsub (BTOB) Profile, Bio, & Facts

Changsub (BTOB)

Lee Changsub (창섭) is a South Korean singer and musical actor under Fantagio. He is a member of the boy group BTOB and its subunits BTOB BLUE and BTOB 4U. He debuted solo on June 7, 2017 with the EP “bpm 82.5“.

Changsub (BTOB) Profile

Stage NameChangsub (창섭)
Birth NameLee Chang Sub (이창섭)
OccupationSinger-songwriter, Musical Actor
BirthdayFebruary 26, 1991
Active Years2012–present
Age33 (in 2024)
Zodiac SignPisces
Height178 cm (5’10”)
Weight64 kg (141 lbs)
Blood TypeO

Changsub (BTOB) Facts:

Early Life

– Changsub was born in Suwon, Gyeonggi-do, South Korea.
– He went to Hwahong Elementary School and Suseong Middle School.
– He graduated from Samil Commercial High School.
– He learned how to play the piano and drums in his junior year of high school. (1ST LOOK)

Personal Life

– He earned his Bachelor’s degree from Howon University College of Arts (Department of Applied Music, Vocal Major 11).
– If he had a younger sister, he would introduce her to Peniel among all the members. (Cosmopolitan Korea)
Rain and Michael Jackson are his role models.
Hyunsik chose him as someone who would be the best boyfriend.
– He has a close relationship with his family.
– Changsub left home to become a singer after his mother pursued him.
– He gained weight in the military and weighed around  76 kgs. (솔라시도 solarsido)
Eunkwang picked him as someone who smells the best in the group.
– If he could go on a vacation with one member, he would choose Peniel.
– He would do something related to music even if he wasn’t a singer. (1ST LOOK)
– He would rather have an upset stomach than a terrible hangover before an important meeting. [BLANK TALK]
– He has a ‘Tom & Jerry’ relationship with Sungjae in the group.
– His motto is “Things are only difficult now.”
– If he could be another BTOB member for a day, he would like to be Minhyuk because he wants to be muscular for a day.
– He has acrophobia (fear of heights).
– He would rather have more time than money. (Kapuso Exclusives)
– He has a younger sister named Jungeun.
– He exercises every day.
– Changsub’s ideal type is some with a small face, lively personality, s-line figure and doesn’t wear much makeup.

– He would rather publish his personal diary than make a movie about his most embarrassing moment.
– Members picked him as someone who is mostly likely to embarrass himself. (Seventeen)
– He once kept hearing a noise when he placed on his headphones but the engineer couldn’t hear it even when he tried on the headphones. The myth goes that if such a thing happens then the song will become a hit, and ‘Missing You’ became a major hit and ranked #1 on the real-time chart. [BLANK TALK]


– Changsub is the lead vocalist in BTOB.
– He acted in the drama “Monstar” alongside some of his group mates.
– He enlisted in the military in January 2019 and was discharged in August 2020.
– He starred in several musicals, including “Boys over Flower”, “Napoleon”, “Memphis”, and “Marie Antoinette”.
– He participated in the Mongolian edition of “Law Of The Jungle.”
– He appeared as “Mr. Wifi” on King of the Masked Singer in 2015.
– While in the military, he recorded a theme song for the ROK Army, alongside other K-pop artists.
– He won a Daesang at the 16th Suwon Music Festival in 2008 and became vice president of the Red Cross Youth in Gyeonggi Province in 2009.
– He along with other BTOB members left CUBE Entertainment in November 2023, after they didn’t renew their contracts.
– On November 22, 2023, it was announced that he signed with Fantagio.

Likes & Dislikes

– Black is his favorite color.
– He uses perfume a lot.
– His favorite color is black. (BuzzFeed Celeb)
– “Inception” is his favorite movie.
– He likes camping and used to watch a lot of videos of Bear Grylls. (Kloka Get To Know)
– His favorite number is 27.
– Changsub has always liked wearing clothes that fit him perfectly and aren’t too lose or tight. (세사패TV)
– He likes semi hip hop style.(1ST LOOK)

Food Preferences

– He loves to drink Soju, whiskey and beer.  (Cosmopolitan)
– He likes kimchi stew.
– He is the most confident in making beef bourguignon. (Seventeen)
– He will eat all foods except for pudding.


– He can play multiple instruments, including drums, piano, guitar, and bass.
– He is a former skateboard athlete.
– He is skilled in rapping and beatboxing.
– He is left-handed.

Personality & Habits

Sungjae said that Changsub is the messiest member in the dorms as he likes to keep his own room clean but throws all the trash in the living room. (Marie Claire 2017)
– He has a habit of biting his nails.
– He believes that his personality became a lot calmer and softer overtime in the group. (Marie Claire 2017)
– He is not reserved and doesn’t get embarrassed easily.
– He said he doesn’t really have a cheerful personality but becomes happy around members. (atStar1 Magazine)


– He has many tattoos on his body including “Don’t be defeated from yourself” on his shoulder, a clock and the phrase “Make a change” on his chest, with the time 3:21 representing BTOB’s debut date (March 21st) and a cross and the phrase “So do not fear for I’m with you, do not be dismayed for I’m your God” on his forearm, a quote from the Bible (Isaiah 41:10).

Major Works

– His popular songs ‘SURRENDER’, ‘At the end’, ‘Will Be Here’, and ‘Gone’

Instagram: lee_cs_btob
Twitter: LeeCS_BTOB

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

Changsub Photos

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Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^

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